8156716160 has 32 divisors (see below), whose sum is σ = 19499651100. Its totient is φ = 3262686208.

The previous prime is 8156716123. The next prime is 8156716163. The reversal of 8156716160 is 616176518.

It can be written as a sum of positive squares in 2 ways, for example, as 8127383104 + 29333056 = 90152^2 + 5416^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (8156716163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371795 + ... + 6373074.

Almost surely, 2^8156716160 is an apocalyptic number.

8156716160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8156716160 is an abundant number, since it is smaller than the sum of its proper divisors (11342934940).

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

8156716160 is a wasteful number, since it uses less digits than its factorization.

8156716160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744888 (or 12744876 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 8156716160 is about 90314.5401361265. The cubic root of 8156716160 is about 2012.9753185122.

The spelling of 8156716160 in words is "eight billion, one hundred fifty-six million, seven hundred sixteen thousand, one hundred sixty".