15997000682 has 16 divisors (see below), whose sum is σ = 25846069032. Its totient is φ = 7381871040.

The previous prime is 15997000609. The next prime is 15997000703. The reversal of 15997000682 is 28600079951.

It can be written as a sum of positive squares in 4 ways, for example, as 13002612841 + 2994387841 = 114029^2 + 54721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94832 + ... + 202452.

Almost surely, 2^15997000682 is an apocalyptic number.

15997000682 is a deficient number, since it is larger than the sum of its proper divisors (9849068350).

15997000682 is a wasteful number, since it uses less digits than its factorization.

15997000682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113353.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 15997000682 in words is "fifteen billion, nine hundred ninety-seven million, six hundred eighty-two", and thus it is an aban number.