15794091616 has 24 divisors (see below), whose sum is σ = 31133682720. Its totient is φ = 7887124608.

The previous prime is 15794091541. The next prime is 15794091713. The reversal of 15794091616 is 61619049751.

It is a self number, because there is not a number n which added to its sum of digits gives 15794091616.

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, 284136 + ... + 335143.

It is an arithmetic number, because the mean of its divisors is an integer number (1297236780).

Almost surely, 2^15794091616 is an apocalyptic number.

15794091616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15794091616 is a deficient number, since it is larger than the sum of its proper divisors (15339591104).

15794091616 is an equidigital number, since it uses as much as digits as its factorization.

15794091616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620086 (or 620078 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 15794091616 in words is "fifteen billion, seven hundred ninety-four million, ninety-one thousand, six hundred sixteen".