6515995156 has 12 divisors (see below), whose sum is σ = 12439627200. Its totient is φ = 2961815960.

The previous prime is 6515995141. The next prime is 6515995159.

6515995156 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6515995159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74045356 + ... + 74045443.

It is an arithmetic number, because the mean of its divisors is an integer number (1036635600).

Almost surely, 2^6515995156 is an apocalyptic number.

It is an amenable number.

6515995156 is a deficient number, since it is larger than the sum of its proper divisors (5923632044).

6515995156 is a wasteful number, since it uses less digits than its factorization.

6515995156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148090814 (or 148090812 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 52.

The square root of 6515995156 is about 80721.7142781296. The cubic root of 6515995156 is about 1867.7851474742.

The spelling of 6515995156 in words is "six billion, five hundred fifteen million, nine hundred ninety-five thousand, one hundred fifty-six".