165613008488 has 32 divisors (see below), whose sum is σ = 311134901760. Its totient is φ = 82643816640.

The previous prime is 165613008481. The next prime is 165613008553. The reversal of 165613008488 is 884800316561.

It is a super-2 number, since 2×165613008488² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165613008481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15285233 + ... + 15296063.

It is an arithmetic number, because the mean of its divisors is an integer number (9722965680).

Almost surely, 2^165613008488 is an apocalyptic number.

It is an amenable number.

165613008488 is a deficient number, since it is larger than the sum of its proper divisors (145521893272).

165613008488 is a wasteful number, since it uses less digits than its factorization.

165613008488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14417 (or 14413 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 165613008488 in words is "one hundred sixty-five billion, six hundred thirteen million, eight thousand, four hundred eighty-eight".