7816232120 has 128 divisors (see below), whose sum is σ = 19670999040. Its totient is φ = 2781112320.

The previous prime is 7816232111. The next prime is 7816232173. The reversal of 7816232120 is 212326187.

It is a super-2 number, since 2×7816232120² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 902129 + ... + 910751.

It is an arithmetic number, because the mean of its divisors is an integer number (153679680).

Almost surely, 2^7816232120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7816232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9835499520).

7816232120 is an abundant number, since it is smaller than the sum of its proper divisors (11854766920).

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

7816232120 is a wasteful number, since it uses less digits than its factorization.

7816232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725 (or 8721 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7816232120 is about 88409.4571864345. The cubic root of 7816232120 is about 1984.5672311248.

The spelling of 7816232120 in words is "seven billion, eight hundred sixteen million, two hundred thirty-two thousand, one hundred twenty".