165055859408 has 40 divisors (see below), whose sum is σ = 348891169536. Its totient is φ = 75020422400.

The previous prime is 165055859407. The next prime is 165055859413. The reversal of 165055859408 is 804958550561.

It is a happy number.

It is a super-2 number, since 2×165055859408² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165055859407) 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, 4542593 + ... + 4578783.

Almost surely, 2^165055859408 is an apocalyptic number.

It is an amenable number.

165055859408 is an abundant number, since it is smaller than the sum of its proper divisors (183835310128).

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

165055859408 is a wasteful number, since it uses less digits than its factorization.

165055859408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62123 (or 62117 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 56.

The spelling of 165055859408 in words is "one hundred sixty-five billion, fifty-five million, eight hundred fifty-nine thousand, four hundred eight".