8456161696 has 24 divisors (see below), whose sum is σ = 16769595780. Its totient is φ = 4197216768.

The previous prime is 8456161691. The next prime is 8456161697. The reversal of 8456161696 is 6961616548.

It can be written as a sum of positive squares in 2 ways, for example, as 7881888400 + 574273296 = 88780^2 + 23964^2 .

It is not an unprimeable number, because it can be changed into a prime (8456161691) 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, 960051 + ... + 968818.

Almost surely, 2^8456161696 is an apocalyptic number.

It is an amenable number.

8456161696 is a deficient number, since it is larger than the sum of its proper divisors (8313434084).

8456161696 is a wasteful number, since it uses less digits than its factorization.

8456161696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929016 (or 1929008 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 8456161696 is about 91957.3906545852. The cubic root of 8456161696 is about 2037.3130150009.

The spelling of 8456161696 in words is "eight billion, four hundred fifty-six million, one hundred sixty-one thousand, six hundred ninety-six".