165501150066656 has 24 divisors (see below), whose sum is σ = 332762950668960. Its totient is φ = 80989924499968.

The previous prime is 165501150066641. The next prime is 165501150066661. The reversal of 165501150066656 is 656660051105561.

165501150066656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 165501150066598 and 165501150066607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55020327641 + ... + 55020330648.

It is an arithmetic number, because the mean of its divisors is an integer number (13865122944540).

Almost surely, 2^{165501150066656} is an apocalyptic number.

165501150066656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165501150066656 is an abundant number, since it is smaller than the sum of its proper divisors (167261800602304).

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

165501150066656 is a wasteful number, since it uses less digits than its factorization.

165501150066656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110040658346 (or 110040658338 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 165501150066656 in words is "one hundred sixty-five trillion, five hundred one billion, one hundred fifty million, sixty-six thousand, six hundred fifty-six".