18731614648746 has 16 divisors (see below), whose sum is σ = 37464488457408. Its totient is φ = 6243661689600.

The previous prime is 18731614648741. The next prime is 18731614648753. The reversal of 18731614648746 is 64784641613781.

It is not an unprimeable number, because it can be changed into a prime (18731614648741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52271550 + ... + 52628681.

It is an arithmetic number, because the mean of its divisors is an integer number (2341530528588).

Almost surely, 2^{18731614648746} is an apocalyptic number.

18731614648746 is an abundant number, since it is smaller than the sum of its proper divisors (18732873808662).

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

18731614648746 is a wasteful number, since it uses less digits than its factorization.

18731614648746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104929997.

The product of its digits is 130056192, while the sum is 66.

The spelling of 18731614648746 in words is "eighteen trillion, seven hundred thirty-one billion, six hundred fourteen million, six hundred forty-eight thousand, seven hundred forty-six".