165655142204024 has 64 divisors (see below), whose sum is σ = 339428900753280. Its totient is φ = 75167002512000.

The previous prime is 165655142203979. The next prime is 165655142204051. The reversal of 165655142204024 is 420402241556561.

It is a super-2 number, since 2×165655142204024² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165655142204024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210062927 + ... + 210850049.

It is an arithmetic number, because the mean of its divisors is an integer number (5303576574270).

Almost surely, 2^{165655142204024} is an apocalyptic number.

It is an amenable number.

165655142204024 is an abundant number, since it is smaller than the sum of its proper divisors (173773758549256).

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

165655142204024 is a wasteful number, since it uses less digits than its factorization.

165655142204024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791292 (or 791288 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 165655142204024 in words is "one hundred sixty-five trillion, six hundred fifty-five billion, one hundred forty-two million, two hundred four thousand, twenty-four".