16364878576416 has 72 divisors (see below), whose sum is σ = 46542448425564. Its totient is φ = 5454393960960.

The previous prime is 16364878576391. The next prime is 16364878576447. The reversal of 16364878576416 is 61467587846361.

16364878576416 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 4 + 8 + 7 + 8 + 576 + 41 + 6 = 666.

16364878576416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14864263376400 + 1500615200016 = 3855420^2 + 1224996^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158451 + ... + 5723186.

Almost surely, 2^{16364878576416} is an apocalyptic number.

16364878576416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16364878576416 is an abundant number, since it is smaller than the sum of its proper divisors (30177569849148).

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

16364878576416 is a wasteful number, since it uses less digits than its factorization.

16364878576416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891314 (or 5891303 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 72.

The spelling of 16364878576416 in words is "sixteen trillion, three hundred sixty-four billion, eight hundred seventy-eight million, five hundred seventy-six thousand, four hundred sixteen".