15994679364 has 96 divisors (see below), whose sum is σ = 43937026560. Its totient is φ = 5014503936.

The previous prime is 15994679303. The next prime is 15994679377. The reversal of 15994679364 is 46397649951.

15994679364 is a `hidden beast` number, since 1 + 599 + 4 + 6 + 7 + 9 + 36 + 4 = 666.

15994679364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 4692949 + ... + 4696355.

It is an arithmetic number, because the mean of its divisors is an integer number (457677360).

Almost surely, 2^15994679364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15994679364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21968513280).

15994679364 is an abundant number, since it is smaller than the sum of its proper divisors (27942347196).

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

15994679364 is a wasteful number, since it uses less digits than its factorization.

15994679364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994 (or 5986 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 15994679364 in words is "fifteen billion, nine hundred ninety-four million, six hundred seventy-nine thousand, three hundred sixty-four".