15690396748608 has 168 divisors, whose sum is σ = 48999815640000. Its totient is φ = 4922477254656.

The previous prime is 15690396748549. The next prime is 15690396748627. The reversal of 15690396748608 is 80684769309651.

15690396748608 is a `hidden beast` number, since 1 + 5 + 6 + 9 + 0 + 3 + 9 + 6 + 7 + 4 + 8 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15210108 + ... + 16208891.

Almost surely, 2^{15690396748608} is an apocalyptic number.

15690396748608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15690396748608 is an abundant number, since it is smaller than the sum of its proper divisors (33309418891392).

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

15690396748608 is a wasteful number, since it uses less digits than its factorization.

15690396748608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31419054 (or 31419021 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 72.

The spelling of 15690396748608 in words is "fifteen trillion, six hundred ninety billion, three hundred ninety-six million, seven hundred forty-eight thousand, six hundred eight".