18937657614 has 16 divisors (see below), whose sum is σ = 39522068352. Its totient is φ = 6038093688.

The previous prime is 18937657597. The next prime is 18937657621. The reversal of 18937657614 is 41675673981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68614564 + ... + 68614839.

It is an arithmetic number, because the mean of its divisors is an integer number (2470129272).

Almost surely, 2^18937657614 is an apocalyptic number.

18937657614 is an abundant number, since it is smaller than the sum of its proper divisors (20584410738).

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

18937657614 is a wasteful number, since it uses less digits than its factorization.

18937657614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137229431.

The product of its digits is 7620480, while the sum is 57.

The spelling of 18937657614 in words is "eighteen billion, nine hundred thirty-seven million, six hundred fifty-seven thousand, six hundred fourteen".