15696474351516 has 96 divisors (see below), whose sum is σ = 46511528071680. Its totient is φ = 4484373708672.

The previous prime is 15696474351473. The next prime is 15696474351557. The reversal of 15696474351516 is 61515347469651.

15696474351516 is a `hidden beast` number, since 1 + 5 + 6 + 9 + 6 + 47 + 435 + 151 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9499591 + ... + 11028833.

It is an arithmetic number, because the mean of its divisors is an integer number (484495084080).

Almost surely, 2^{15696474351516} is an apocalyptic number.

It is an amenable number.

15696474351516 is an abundant number, since it is smaller than the sum of its proper divisors (30815053720164).

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

15696474351516 is a wasteful number, since it uses less digits than its factorization.

15696474351516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542840 (or 1542832 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The spelling of 15696474351516 in words is "fifteen trillion, six hundred ninety-six billion, four hundred seventy-four million, three hundred fifty-one thousand, five hundred sixteen".