18857574316 has 24 divisors (see below), whose sum is σ = 37719198720. Its totient is φ = 8080949712.

The previous prime is 18857574313. The next prime is 18857574361. The reversal of 18857574316 is 61347575881.

It is not an unprimeable number, because it can be changed into a prime (18857574313) 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, 276741 + ... + 338083.

It is an arithmetic number, because the mean of its divisors is an integer number (1571633280).

Almost surely, 2^18857574316 is an apocalyptic number.

It is an amenable number.

18857574316 is an abundant number, since it is smaller than the sum of its proper divisors (18861624404).

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

18857574316 is a wasteful number, since it uses less digits than its factorization.

18857574316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72333 (or 72331 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 55.

The spelling of 18857574316 in words is "eighteen billion, eight hundred fifty-seven million, five hundred seventy-four thousand, three hundred sixteen".