8167444138 has 16 divisors (see below), whose sum is σ = 14002579584. Its totient is φ = 3500021520.

The previous prime is 8167444127. The next prime is 8167444193. The reversal of 8167444138 is 8314447618.

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, 212131 + ... + 247657.

It is an arithmetic number, because the mean of its divisors is an integer number (875161224).

Almost surely, 2^8167444138 is an apocalyptic number.

8167444138 is a deficient number, since it is larger than the sum of its proper divisors (5835135446).

8167444138 is a wasteful number, since it uses less digits than its factorization.

8167444138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51957.

The product of its digits is 516096, while the sum is 46.

The square root of 8167444138 is about 90373.9129284552. The cubic root of 8167444138 is about 2013.8574420642.

The spelling of 8167444138 in words is "eight billion, one hundred sixty-seven million, four hundred forty-four thousand, one hundred thirty-eight".