162189374091264 has 520 divisors, whose sum is σ = 523763977975392. Its totient is φ = 49714324439040.

The previous prime is 162189374091223. The next prime is 162189374091287. The reversal of 162189374091264 is 462190473981261.

162189374091264 is a `hidden beast` number, since 1 + 6 + 2 + 18 + 93 + 7 + 409 + 126 + 4 = 666.

It is a super-2 number, since 2×162189374091264² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1134270654 + ... + 1134413634.

Almost surely, 2^{162189374091264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162189374091264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261881988987696).

162189374091264 is an abundant number, since it is smaller than the sum of its proper divisors (361574603884128).

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

162189374091264 is a wasteful number, since it uses less digits than its factorization.

162189374091264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143293 (or 143262 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 162189374091264 in words is "one hundred sixty-two trillion, one hundred eighty-nine billion, three hundred seventy-four million, ninety-one thousand, two hundred sixty-four".