16725626646 has 8 divisors (see below), whose sum is σ = 33451253304. Its totient is φ = 5575208880.

The previous prime is 16725626627. The next prime is 16725626653. The reversal of 16725626646 is 64662652761.

It is a sphenic number, since it is the product of 3 distinct primes.

16725626646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393802215 + ... + 1393802226.

It is an arithmetic number, because the mean of its divisors is an integer number (4181406663).

Almost surely, 2^16725626646 is an apocalyptic number.

16725626646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16725626646 is a wasteful number, since it uses less digits than its factorization.

16725626646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787604446.

The product of its digits is 4354560, while the sum is 51.

The spelling of 16725626646 in words is "sixteen billion, seven hundred twenty-five million, six hundred twenty-six thousand, six hundred forty-six".