165477077605 has 32 divisors (see below), whose sum is σ = 229317304320. Its totient is φ = 112285958400.

The previous prime is 165477077569. The next prime is 165477077651. The reversal of 165477077605 is 506770774561.

165477077605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165477077605 - 2¹³ = 165477069413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1681255 + ... + 1776955.

It is an arithmetic number, because the mean of its divisors is an integer number (7166165760).

Almost surely, 2^165477077605 is an apocalyptic number.

It is an amenable number.

165477077605 is a deficient number, since it is larger than the sum of its proper divisors (63840226715).

165477077605 is a wasteful number, since it uses less digits than its factorization.

165477077605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96229.

The product of its (nonzero) digits is 8643600, while the sum is 55.

The spelling of 165477077605 in words is "one hundred sixty-five billion, four hundred seventy-seven million, seventy-seven thousand, six hundred five".