18937668670 has 32 divisors (see below), whose sum is σ = 36450357696. Its totient is φ = 7058880000.

The previous prime is 18937668667. The next prime is 18937668703. The reversal of 18937668670 is 7686673981.

It is a junction number, because it is equal to n+sod(n) for n = 18937668599 and 18937668608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534306 + ... + 568645.

It is an arithmetic number, because the mean of its divisors is an integer number (1139073678).

Almost surely, 2^18937668670 is an apocalyptic number.

18937668670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18937668670 is a deficient number, since it is larger than the sum of its proper divisors (17512689026).

18937668670 is a wasteful number, since it uses less digits than its factorization.

18937668670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103076.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 18937668670 in words is "eighteen billion, nine hundred thirty-seven million, six hundred sixty-eight thousand, six hundred seventy".