18960813718 has 24 divisors (see below), whose sum is σ = 36092385864. Its totient is φ = 7387329600.

The previous prime is 18960813713. The next prime is 18960813719. The reversal of 18960813718 is 81731806981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18960813713) 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, 8793363 + ... + 8795518.

It is an arithmetic number, because the mean of its divisors is an integer number (1503849411).

Almost surely, 2^18960813718 is an apocalyptic number.

18960813718 is a deficient number, since it is larger than the sum of its proper divisors (17131572146).

18960813718 is a wasteful number, since it uses less digits than its factorization.

18960813718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17588908 (or 17588901 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 18960813718 in words is "eighteen billion, nine hundred sixty million, eight hundred thirteen thousand, seven hundred eighteen".