8115616456 has 8 divisors (see below), whose sum is σ = 15216780870. Its totient is φ = 4057808224.

The previous prime is 8115616441. The next prime is 8115616463. The reversal of 8115616456 is 6546165118.

It can be written as a sum of positive squares in only one way, i.e., 6669335556 + 1446280900 = 81666^2 + 38030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507226021 + ... + 507226036.

Almost surely, 2^8115616456 is an apocalyptic number.

It is an amenable number.

8115616456 is a deficient number, since it is larger than the sum of its proper divisors (7101164414).

8115616456 is a wasteful number, since it uses less digits than its factorization.

8115616456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014452063 (or 1014452059 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 8115616456 is about 90086.7163126729. The cubic root of 8115616456 is about 2009.5886599993.

The spelling of 8115616456 in words is "eight billion, one hundred fifteen million, six hundred sixteen thousand, four hundred fifty-six".