16625265722 has 16 divisors (see below), whose sum is σ = 27582043272. Its totient is φ = 7465815360.

The previous prime is 16625265637. The next prime is 16625265737. The reversal of 16625265722 is 22756252661.

It is a Cunningham number, because it is equal to 128939²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 16625265721 + 1 = 128939^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8640029 + ... + 8641952.

Almost surely, 2^16625265722 is an apocalyptic number.

16625265722 is a deficient number, since it is larger than the sum of its proper divisors (10956777550).

16625265722 is a wasteful number, since it uses less digits than its factorization.

16625265722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17282033.

The product of its digits is 604800, while the sum is 44.

The spelling of 16625265722 in words is "sixteen billion, six hundred twenty-five million, two hundred sixty-five thousand, seven hundred twenty-two".