38178181984164 has 24 divisors (see below), whose sum is σ = 89083167038880. Its totient is φ = 12725954602944.

The previous prime is 38178181984153. The next prime is 38178181984183. The reversal of 38178181984164 is 46148918187183.

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, 11750569 + ... + 14643504.

It is an arithmetic number, because the mean of its divisors is an integer number (3711798626620).

Almost surely, 2^{38178181984164} is an apocalyptic number.

It is an amenable number.

38178181984164 is an abundant number, since it is smaller than the sum of its proper divisors (50904985054716).

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

38178181984164 is a wasteful number, since it uses less digits than its factorization.

38178181984164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26514619 (or 26514617 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 69.

The spelling of 38178181984164 in words is "thirty-eight trillion, one hundred seventy-eight billion, one hundred eighty-one million, nine hundred eighty-four thousand, one hundred sixty-four".