162544734521064 has 160 divisors (see below), whose sum is σ = 520387236547200. Its totient is φ = 46434919040640.

The previous prime is 162544734521051. The next prime is 162544734521077. The reversal of 162544734521064 is 460125437445261.

162544734521064 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 44 + 73 + 4 + 521 + 0 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (162544734521051) and next prime (162544734521077).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 162544734521064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30312229 + ... + 35269259.

It is an arithmetic number, because the mean of its divisors is an integer number (3252420228420).

Almost surely, 2^{162544734521064} is an apocalyptic number.

162544734521064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162544734521064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260193618273600).

162544734521064 is an abundant number, since it is smaller than the sum of its proper divisors (357842502026136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162544734521064 is a wasteful number, since it uses less digits than its factorization.

162544734521064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964285 (or 4964272 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 162544734521064 in words is "one hundred sixty-two trillion, five hundred forty-four billion, seven hundred thirty-four million, five hundred twenty-one thousand, sixty-four".