18131010736 has 10 divisors (see below), whose sum is σ = 35128833332. Its totient is φ = 9065505360.

The previous prime is 18131010721. The next prime is 18131010739. The reversal of 18131010736 is 63701013181.

It is a junction number, because it is equal to n+sod(n) for n = 18131010698 and 18131010707.

It is not an unprimeable number, because it can be changed into a prime (18131010739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566594070 + ... + 566594101.

Almost surely, 2^18131010736 is an apocalyptic number.

18131010736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18131010736 is a deficient number, since it is larger than the sum of its proper divisors (16997822596).

18131010736 is a wasteful number, since it uses less digits than its factorization.

18131010736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133188179 (or 1133188173 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 18131010736 in words is "eighteen billion, one hundred thirty-one million, ten thousand, seven hundred thirty-six".