16425894625 has 16 divisors (see below), whose sum is σ = 23428020096. Its totient is φ = 11263470000.

The previous prime is 16425894601. The next prime is 16425894637. The reversal of 16425894625 is 52649852461.

16425894625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16425894625 - 2²⁷ = 16291676897 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 9385351 + ... + 9387100.

It is an arithmetic number, because the mean of its divisors is an integer number (1464251256).

Almost surely, 2^16425894625 is an apocalyptic number.

It is an amenable number.

16425894625 is a deficient number, since it is larger than the sum of its proper divisors (7002125471).

16425894625 is an equidigital number, since it uses as much as digits as its factorization.

16425894625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772473 (or 18772463 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 16425894625 in words is "sixteen billion, four hundred twenty-five million, eight hundred ninety-four thousand, six hundred twenty-five".