13650183556 has 9 divisors (see below), whose sum is σ = 23888230149. Its totient is φ = 6824974944.

The previous prime is 13650183553. The next prime is 13650183577. The reversal of 13650183556 is 65538105631.

The square root of 13650183556 is 116834.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12465722500 + 1184461056 = 111650^2 + 34416^2 .

It is a super-2 number, since 2×13650183556² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13650183553) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 204460 + ... + 262876.

Almost surely, 2^13650183556 is an apocalyptic number.

13650183556 is the 116834-th square number.

It is an amenable number.

13650183556 is a deficient number, since it is larger than the sum of its proper divisors (10238046593).

13650183556 is an frugal number, since it uses more digits than its factorization.

13650183556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116838 (or 58419 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 13650183556 in words is "thirteen billion, six hundred fifty million, one hundred eighty-three thousand, five hundred fifty-six".