165562311155350 has 24 divisors (see below), whose sum is σ = 307947620512728. Its totient is φ = 66224554190400.

The previous prime is 165562311155341. The next prime is 165562311155357. The reversal of 165562311155350 is 53551113265561.

It is a junction number, because it is equal to n+sod(n) for n = 165562311155294 and 165562311155303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165562311155357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135636 + ... + 18197335.

It is an arithmetic number, because the mean of its divisors is an integer number (12831150854697).

Almost surely, 2^{165562311155350} is an apocalyptic number.

165562311155350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165562311155350 is a deficient number, since it is larger than the sum of its proper divisors (142385309357378).

165562311155350 is a wasteful number, since it uses less digits than its factorization.

165562311155350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18513600 (or 18513595 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 49.

The spelling of 165562311155350 in words is "one hundred sixty-five trillion, five hundred sixty-two billion, three hundred eleven million, one hundred fifty-five thousand, three hundred fifty".