38165672868 has 12 divisors (see below), whose sum is σ = 89053236720. Its totient is φ = 12721890952.

The previous prime is 38165672861. The next prime is 38165672873. The reversal of 38165672868 is 86827656183.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (38165672861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1590236358 + ... + 1590236381.

It is an arithmetic number, because the mean of its divisors is an integer number (7421103060).

Almost surely, 2^38165672868 is an apocalyptic number.

It is an amenable number.

38165672868 is an abundant number, since it is smaller than the sum of its proper divisors (50887563852).

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

38165672868 is a wasteful number, since it uses less digits than its factorization.

38165672868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180472746 (or 3180472744 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 38165672868 in words is "thirty-eight billion, one hundred sixty-five million, six hundred seventy-two thousand, eight hundred sixty-eight".