438152506264165 has 32 divisors (see below), whose sum is σ = 659862874920960. Its totient is φ = 271325195208000.

The previous prime is 438152506264133. The next prime is 438152506264171. The reversal of 438152506264165 is 561462605251834.

It is not a de Polignac number, because 438152506264165 - 2⁵ = 438152506264133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3768347355 + ... + 3768463624.

It is an arithmetic number, because the mean of its divisors is an integer number (20620714841280).

Almost surely, 2^{438152506264165} is an apocalyptic number.

It is an amenable number.

438152506264165 is a deficient number, since it is larger than the sum of its proper divisors (221710368656795).

438152506264165 is a wasteful number, since it uses less digits than its factorization.

438152506264165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536811153.

The product of its (nonzero) digits is 41472000, while the sum is 58.

The spelling of 438152506264165 in words is "four hundred thirty-eight trillion, one hundred fifty-two billion, five hundred six million, two hundred sixty-four thousand, one hundred sixty-five".