15829797678164 has 12 divisors (see below), whose sum is σ = 27710838191904. Its totient is φ = 7912415337624.

The previous prime is 15829797678143. The next prime is 15829797678239. The reversal of 15829797678164 is 46187679792851.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620861024 + ... + 620886519.

It is an arithmetic number, because the mean of its divisors is an integer number (2309236515992).

Almost surely, 2^{15829797678164} is an apocalyptic number.

It is an amenable number.

15829797678164 is a deficient number, since it is larger than the sum of its proper divisors (11881040513740).

15829797678164 is a wasteful number, since it uses less digits than its factorization.

15829797678164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241750734 (or 1241750732 counting only the distinct ones).

The product of its digits is 2560481280, while the sum is 80.

The spelling of 15829797678164 in words is "fifteen trillion, eight hundred twenty-nine billion, seven hundred ninety-seven million, six hundred seventy-eight thousand, one hundred sixty-four".