18136716983 has 12 divisors (see below), whose sum is σ = 22783314960. Its totient is φ = 14132506080.

The previous prime is 18136716979. The next prime is 18136717003. The reversal of 18136716983 is 38961763181.

It is not a de Polignac number, because 18136716983 - 2² = 18136716979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18136766983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10705598 + ... + 10707291.

It is an arithmetic number, because the mean of its divisors is an integer number (1898609580).

Almost surely, 2^18136716983 is an apocalyptic number.

18136716983 is a deficient number, since it is larger than the sum of its proper divisors (4646597977).

18136716983 is a wasteful number, since it uses less digits than its factorization.

18136716983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21412918 (or 21412907 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The spelling of 18136716983 in words is "eighteen billion, one hundred thirty-six million, seven hundred sixteen thousand, nine hundred eighty-three".