165064364806 has 32 divisors (see below), whose sum is σ = 287057221920. Its totient is φ = 70353216000.

The previous prime is 165064364771. The next prime is 165064364807. The reversal of 165064364806 is 608463460561.

It is a self number, because there is not a number n which added to its sum of digits gives 165064364806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165064364807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719745 + ... + 920956.

It is an arithmetic number, because the mean of its divisors is an integer number (8970538185).

Almost surely, 2^165064364806 is an apocalyptic number.

165064364806 is a deficient number, since it is larger than the sum of its proper divisors (121992857114).

165064364806 is a wasteful number, since it uses less digits than its factorization.

165064364806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641000.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 165064364806 in words is "one hundred sixty-five billion, sixty-four million, three hundred sixty-four thousand, eight hundred six".