8216113972 has 12 divisors (see below), whose sum is σ = 15685308576. Its totient is φ = 3734597240.

The previous prime is 8216113967. The next prime is 8216114009. The reversal of 8216113972 is 2793116128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93364888 + ... + 93364975.

It is an arithmetic number, because the mean of its divisors is an integer number (1307109048).

Almost surely, 2^8216113972 is an apocalyptic number.

It is an amenable number.

8216113972 is a deficient number, since it is larger than the sum of its proper divisors (7469194604).

8216113972 is a wasteful number, since it uses less digits than its factorization.

8216113972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186729878 (or 186729876 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 8216113972 is about 90642.7822388523. The cubic root of 8216113972 is about 2017.8497175302.

The spelling of 8216113972 in words is "eight billion, two hundred sixteen million, one hundred thirteen thousand, nine hundred seventy-two".