15779366016 has 64 divisors (see below), whose sum is σ = 43736310720. Its totient is φ = 5031099392.

The previous prime is 15779366003. The next prime is 15779366081. The reversal of 15779366016 is 61066397751.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 15779366016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884475 + ... + 902138.

It is an arithmetic number, because the mean of its divisors is an integer number (683379855).

Almost surely, 2^15779366016 is an apocalyptic number.

15779366016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15779366016 is an abundant number, since it is smaller than the sum of its proper divisors (27956944704).

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

15779366016 is a wasteful number, since it uses less digits than its factorization.

15779366016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786653 (or 1786641 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 15779366016 in words is "fifteen billion, seven hundred seventy-nine million, three hundred sixty-six thousand, sixteen".