8165908740 has 96 divisors (see below), whose sum is σ = 25803308160. Its totient is φ = 1911347200.

The previous prime is 8165908739. The next prime is 8165908757. The reversal of 8165908740 is 478095618.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8165908740.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194181 + ... + 232460.

It is an arithmetic number, because the mean of its divisors is an integer number (268784460).

Almost surely, 2^8165908740 is an apocalyptic number.

It is an amenable number.

8165908740 is an abundant number, since it is smaller than the sum of its proper divisors (17637399420).

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

8165908740 is a wasteful number, since it uses less digits than its factorization.

8165908740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426693 (or 426691 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 8165908740 is about 90365.4178322659. The cubic root of 8165908740 is about 2013.7312391209.

The spelling of 8165908740 in words is "eight billion, one hundred sixty-five million, nine hundred eight thousand, seven hundred forty".