7808166072 has 120 divisors (see below), whose sum is σ = 25440825960. Its totient is φ = 2230895520.

The previous prime is 7808166031. The next prime is 7808166077. The reversal of 7808166072 is 2706618087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7808166077) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 91204 + ... + 154707.

It is an arithmetic number, because the mean of its divisors is an integer number (212006883).

Almost surely, 2^7808166072 is an apocalyptic number.

7808166072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7808166072 is an abundant number, since it is smaller than the sum of its proper divisors (17632659888).

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

7808166072 is a wasteful number, since it uses less digits than its factorization.

7808166072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245943 (or 245923 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 7808166072 is about 88363.8278482774. The cubic root of 7808166072 is about 1983.8843307251.

The spelling of 7808166072 in words is "seven billion, eight hundred eight million, one hundred sixty-six thousand, seventy-two".