18492116650 has 96 divisors (see below), whose sum is σ = 39778704000. Its totient is φ = 6264760320.

The previous prime is 18492116627. The next prime is 18492116693. The reversal of 18492116650 is 5661129481.

It is a junction number, because it is equal to n+sod(n) for n = 18492116597 and 18492116606.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19734982 + ... + 19735918.

It is an arithmetic number, because the mean of its divisors is an integer number (414361500).

Almost surely, 2^18492116650 is an apocalyptic number.

18492116650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18492116650 is an abundant number, since it is smaller than the sum of its proper divisors (21286587350).

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

18492116650 is a wasteful number, since it uses less digits than its factorization.

18492116650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 18492116650 in words is "eighteen billion, four hundred ninety-two million, one hundred sixteen thousand, six hundred fifty".