18847668037 has 8 divisors (see below), whose sum is σ = 20692056672. Its totient is φ = 17025106800.

The previous prime is 18847668029. The next prime is 18847668041. The reversal of 18847668037 is 73086674881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18847668037 - 2³ = 18847668029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18847668017) 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, 5455039 + ... + 5458492.

It is an arithmetic number, because the mean of its divisors is an integer number (2586507084).

Almost surely, 2^18847668037 is an apocalyptic number.

It is an amenable number.

18847668037 is a deficient number, since it is larger than the sum of its proper divisors (1844388635).

18847668037 is a wasteful number, since it uses less digits than its factorization.

18847668037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913699.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 18847668037 in words is "eighteen billion, eight hundred forty-seven million, six hundred sixty-eight thousand, thirty-seven".