16725626645 has 48 divisors (see below), whose sum is σ = 24978533760. Its totient is φ = 10526959872.

The previous prime is 16725626627. The next prime is 16725626653. The reversal of 16725626645 is 54662652761.

It is not a de Polignac number, because 16725626645 - 2⁶ = 16725626581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16725626593 and 16725626602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1050887 + ... + 1066683.

It is an arithmetic number, because the mean of its divisors is an integer number (520386120).

Almost surely, 2^16725626645 is an apocalyptic number.

It is an amenable number.

16725626645 is a deficient number, since it is larger than the sum of its proper divisors (8252907115).

16725626645 is a wasteful number, since it uses less digits than its factorization.

16725626645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16014 (or 16001 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The spelling of 16725626645 in words is "sixteen billion, seven hundred twenty-five million, six hundred twenty-six thousand, six hundred forty-five".