162665616256 has 384 divisors, whose sum is σ = 408754432800. Its totient is φ = 63866880000.

The previous prime is 162665616241. The next prime is 162665616257. The reversal of 162665616256 is 652616566261.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162665616257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 386378926 + ... + 386379346.

Almost surely, 2^162665616256 is an apocalyptic number.

162665616256 is a gapful number since it is divisible by the number (16) 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 162665616256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204377216400).

162665616256 is an abundant number, since it is smaller than the sum of its proper divisors (246088816544).

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

162665616256 is a wasteful number, since it uses less digits than its factorization.

162665616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 567 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 52.

The spelling of 162665616256 in words is "one hundred sixty-two billion, six hundred sixty-five million, six hundred sixteen thousand, two hundred fifty-six".