161602693392 has 40 divisors (see below), whose sum is σ = 477112714816. Its totient is φ = 46172198016.

The previous prime is 161602693363. The next prime is 161602693409. The reversal of 161602693392 is 293396206161.

It is a super-2 number, since 2×161602693392² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240479863 + ... + 240480534.

Almost surely, 2^161602693392 is an apocalyptic number.

161602693392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161602693392 is an abundant number, since it is smaller than the sum of its proper divisors (315510021424).

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

161602693392 is a wasteful number, since it uses less digits than its factorization.

161602693392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480960415 (or 480960409 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 161602693392 in words is "one hundred sixty-one billion, six hundred two million, six hundred ninety-three thousand, three hundred ninety-two".