16309374624 has 84 divisors (see below), whose sum is σ = 48141668106. Its totient is φ = 5436450432.

The previous prime is 16309374611. The next prime is 16309374647. The reversal of 16309374624 is 42647390361.

16309374624 is a `hidden beast` number, since 1 + 630 + 9 + 3 + 7 + 4 + 6 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14242035600 + 2067339024 = 119340^2 + 45468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16309374624.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 326239 + ... + 372894.

Almost surely, 2^16309374624 is an apocalyptic number.

It is an amenable number.

16309374624 is an abundant number, since it is smaller than the sum of its proper divisors (31832293482).

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

16309374624 is an frugal number, since it uses more digits than its factorization.

16309374624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699161 (or 699138 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 16309374624 in words is "sixteen billion, three hundred nine million, three hundred seventy-four thousand, six hundred twenty-four".