12416866650 has 60 divisors (see below), whose sum is σ = 34500505182. Its totient is φ = 3311163360.

The previous prime is 12416866591. The next prime is 12416866669. The reversal of 12416866650 is 5666861421.

It can be written as a sum of positive squares in 3 ways, for example, as 11697071409 + 719795241 = 108153^2 + 26829^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 12416866596 and 12416866605.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1528897 + ... + 1536996.

Almost surely, 2^12416866650 is an apocalyptic number.

12416866650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12416866650 is an abundant number, since it is smaller than the sum of its proper divisors (22083638532).

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

12416866650 is a wasteful number, since it uses less digits than its factorization.

12416866650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065917 (or 3065903 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 12416866650 in words is "twelve billion, four hundred sixteen million, eight hundred sixty-six thousand, six hundred fifty".