165256655664110 has 64 divisors (see below), whose sum is σ = 311600761185600. Its totient is φ = 63034660196352.

The previous prime is 165256655664049. The next prime is 165256655664127. The reversal of 165256655664110 is 11466556652561.

165256655664110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165256655664110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13682081 + ... + 22753299.

It is an arithmetic number, because the mean of its divisors is an integer number (4868761893525).

Almost surely, 2^{165256655664110} is an apocalyptic number.

165256655664110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165256655664110 is a deficient number, since it is larger than the sum of its proper divisors (146344105521490).

165256655664110 is a wasteful number, since it uses less digits than its factorization.

165256655664110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072245.

The product of its (nonzero) digits is 38880000, while the sum is 59.

The spelling of 165256655664110 in words is "one hundred sixty-five trillion, two hundred fifty-six billion, six hundred fifty-five million, six hundred sixty-four thousand, one hundred ten".