16725067636 has 12 divisors (see below), whose sum is σ = 30990566628. Its totient is φ = 7870620032.

The previous prime is 16725067631. The next prime is 16725067649. The reversal of 16725067636 is 63676052761.

It can be written as a sum of positive squares in 2 ways, for example, as 11686907236 + 5038160400 = 108106^2 + 70980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16725067636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725067631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122978371 + ... + 122978506.

It is an arithmetic number, because the mean of its divisors is an integer number (2582547219).

Almost surely, 2^16725067636 is an apocalyptic number.

It is an amenable number.

16725067636 is a deficient number, since it is larger than the sum of its proper divisors (14265498992).

16725067636 is a wasteful number, since it uses less digits than its factorization.

16725067636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245956898 (or 245956896 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 16725067636 in words is "sixteen billion, seven hundred twenty-five million, sixty-seven thousand, six hundred thirty-six".