38428881136164 has 96 divisors (see below), whose sum is σ = 101787108864000. Its totient is φ = 12534872407200.

The previous prime is 38428881136157. The next prime is 38428881136213. The reversal of 38428881136164 is 46163118882483.

38428881136164 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 8 + 8 + 8 + 1 + 1 + 3 + 616 + 4 = 666.

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, 16492764 + ... + 18678035.

It is an arithmetic number, because the mean of its divisors is an integer number (1060282384000).

Almost surely, 2^{38428881136164} is an apocalyptic number.

It is an amenable number.

38428881136164 is an abundant number, since it is smaller than the sum of its proper divisors (63358227727836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38428881136164 is a wasteful number, since it uses less digits than its factorization.

38428881136164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35171030 (or 35171022 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 63.

The spelling of 38428881136164 in words is "thirty-eight trillion, four hundred twenty-eight billion, eight hundred eighty-one million, one hundred thirty-six thousand, one hundred sixty-four".