8011916172 has 72 divisors (see below), whose sum is σ = 22492412880. Its totient is φ = 2465199360.

The previous prime is 8011916123. The next prime is 8011916177. The reversal of 8011916172 is 2716191108.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8011916177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201229 + ... + 237732.

Almost surely, 2^8011916172 is an apocalyptic number.

It is an amenable number.

8011916172 is an abundant number, since it is smaller than the sum of its proper divisors (14480496708).

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

8011916172 is a wasteful number, since it uses less digits than its factorization.

8011916172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439000 (or 438979 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 8011916172 is about 89509.3077394748. The cubic root of 8011916172 is about 2000.9925217022.

The spelling of 8011916172 in words is "eight billion, eleven million, nine hundred sixteen thousand, one hundred seventy-two".