16726625525 has 24 divisors (see below), whose sum is σ = 21126308544. Its totient is φ = 13134396800.

The previous prime is 16726625497. The next prime is 16726625527. The reversal of 16726625525 is 52552662761.

It is a de Polignac number, because none of the positive numbers 2^k-16726625525 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16726625525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16726625527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382169 + ... + 423681.

It is an arithmetic number, because the mean of its divisors is an integer number (880262856).

Almost surely, 2^16726625525 is an apocalyptic number.

It is an amenable number.

16726625525 is a deficient number, since it is larger than the sum of its proper divisors (4399683019).

16726625525 is a wasteful number, since it uses less digits than its factorization.

16726625525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41821 (or 41816 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The spelling of 16726625525 in words is "sixteen billion, seven hundred twenty-six million, six hundred twenty-five thousand, five hundred twenty-five".