38455164318538 has 16 divisors (see below), whose sum is σ = 62927568121536. Its totient is φ = 17479360255840.

The previous prime is 38455164318509. The next prime is 38455164318551. The reversal of 38455164318538 is 83581346155483.

It is a self number, because there is not a number n which added to its sum of digits gives 38455164318538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11477206 + ... + 14444257.

It is an arithmetic number, because the mean of its divisors is an integer number (3932973007596).

Almost surely, 2^{38455164318538} is an apocalyptic number.

38455164318538 is a deficient number, since it is larger than the sum of its proper divisors (24472403802998).

38455164318538 is a wasteful number, since it uses less digits than its factorization.

38455164318538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25988909.

The product of its digits is 165888000, while the sum is 64.

The spelling of 38455164318538 in words is "thirty-eight trillion, four hundred fifty-five billion, one hundred sixty-four million, three hundred eighteen thousand, five hundred thirty-eight".