8118118172 has 12 divisors (see below), whose sum is σ = 14300792016. Its totient is φ = 4032177600.

The previous prime is 8118118159. The next prime is 8118118187. The reversal of 8118118172 is 2718118118.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6719693 + ... + 6720900.

It is an arithmetic number, because the mean of its divisors is an integer number (1191732668).

Almost surely, 2^8118118172 is an apocalyptic number.

It is an amenable number.

8118118172 is a deficient number, since it is larger than the sum of its proper divisors (6182673844).

8118118172 is a wasteful number, since it uses less digits than its factorization.

8118118172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440748 (or 13440746 counting only the distinct ones).

The product of its digits is 7168, while the sum is 38.

The square root of 8118118172 is about 90100.6002865686. The cubic root of 8118118172 is about 2009.7951303945.

The spelling of 8118118172 in words is "eight billion, one hundred eighteen million, one hundred eighteen thousand, one hundred seventy-two".