13650631660 has 24 divisors (see below), whose sum is σ = 28668545136. Its totient is φ = 5459830080.

The previous prime is 13650631613. The next prime is 13650631663. The reversal of 13650631660 is 6613605631.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13650631663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435474 + ... + 465766.

It is an arithmetic number, because the mean of its divisors is an integer number (1194522714).

Almost surely, 2^13650631660 is an apocalyptic number.

13650631660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13650631660 is an abundant number, since it is smaller than the sum of its proper divisors (15017913476).

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

13650631660 is a wasteful number, since it uses less digits than its factorization.

13650631660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52833 (or 52831 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 13650631660 in words is "thirteen billion, six hundred fifty million, six hundred thirty-one thousand, six hundred sixty".