15599674079406 has 48 divisors (see below), whose sum is σ = 34200522255744. Its totient is φ = 5138380125072.

The previous prime is 15599674079399. The next prime is 15599674079413. The reversal of 15599674079406 is 60497047699551.

It is a happy number.

15599674079406 is a `hidden beast` number, since 1 + 5 + 5 + 99 + 67 + 4 + 0 + 79 + 406 = 666.

It is an interprime number because it is at equal distance from previous prime (15599674079399) and next prime (15599674079413).

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, 8142816 + ... + 9874451.

It is an arithmetic number, because the mean of its divisors is an integer number (712510880328).

Almost surely, 2^{15599674079406} is an apocalyptic number.

15599674079406 is an abundant number, since it is smaller than the sum of its proper divisors (18600848176338).

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

15599674079406 is a wasteful number, since it uses less digits than its factorization.

15599674079406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017845 (or 18017842 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 72.

The spelling of 15599674079406 in words is "fifteen trillion, five hundred ninety-nine billion, six hundred seventy-four million, seventy-nine thousand, four hundred six".