15696540676996 has 45 divisors (see below), whose sum is σ = 28251496236579. Its totient is φ = 7630877691792.

The previous prime is 15696540676991. The next prime is 15696540677123. The reversal of 15696540676996 is 69967604569651.

The square root of 15696540676996 is 3961886.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 9786974155396 + 5909566521600 = 3128414^2 + 2430960^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15696540676991) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10847643145 + ... + 10847644591.

Almost surely, 2^{15696540676996} is an apocalyptic number.

15696540676996 is the 3961886-th square number.

It is an amenable number.

15696540676996 is a deficient number, since it is larger than the sum of its proper divisors (12554955559583).

15696540676996 is an frugal number, since it uses more digits than its factorization.

15696540676996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 3968092800, while the sum is 79.

The spelling of 15696540676996 in words is "fifteen trillion, six hundred ninety-six billion, five hundred forty million, six hundred seventy-six thousand, nine hundred ninety-six".