16564725048 has 16 divisors (see below), whose sum is σ = 41411812680. Its totient is φ = 5521575008.

The previous prime is 16564725043. The next prime is 16564725053. The reversal of 16564725048 is 84052746561.

It is an interprime number because it is at equal distance from previous prime (16564725043) and next prime (16564725053).

It is a junction number, because it is equal to n+sod(n) for n = 16564724988 and 16564725006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16564725041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345098415 + ... + 345098462.

Almost surely, 2^16564725048 is an apocalyptic number.

It is an amenable number.

16564725048 is an abundant number, since it is smaller than the sum of its proper divisors (24847087632).

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

16564725048 is a wasteful number, since it uses less digits than its factorization.

16564725048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690196886 (or 690196882 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 16564725048 in words is "sixteen billion, five hundred sixty-four million, seven hundred twenty-five thousand, forty-eight".