13662560650 has 12 divisors (see below), whose sum is σ = 25412362902. Its totient is φ = 5465024240.

The previous prime is 13662560627. The next prime is 13662560687. The reversal of 13662560650 is 5606526631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10172941321 + 3489619329 = 100861^2 + 59073^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136625557 + ... + 136625656.

Almost surely, 2^13662560650 is an apocalyptic number.

13662560650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13662560650 is a deficient number, since it is larger than the sum of its proper divisors (11749802252).

13662560650 is a wasteful number, since it uses less digits than its factorization.

13662560650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273251225 (or 273251220 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 13662560650 in words is "thirteen billion, six hundred sixty-two million, five hundred sixty thousand, six hundred fifty".