165407562164 has 24 divisors (see below), whose sum is σ = 311797231200. Its totient is φ = 76325397984.

The previous prime is 165407562139. The next prime is 165407562179. The reversal of 165407562164 is 461265704561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101114 + ... + 583985.

It is an arithmetic number, because the mean of its divisors is an integer number (12991551300).

Almost surely, 2^165407562164 is an apocalyptic number.

It is an amenable number.

165407562164 is a deficient number, since it is larger than the sum of its proper divisors (146389669036).

165407562164 is a wasteful number, since it uses less digits than its factorization.

165407562164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689759 (or 689757 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 165407562164 in words is "one hundred sixty-five billion, four hundred seven million, five hundred sixty-two thousand, one hundred sixty-four".