16315477018 has 16 divisors (see below), whose sum is σ = 25800546240. Its totient is φ = 7722608256.

The previous prime is 16315476977. The next prime is 16315477027. The reversal of 16315477018 is 81077451361.

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, 1823808 + ... + 1832731.

It is an arithmetic number, because the mean of its divisors is an integer number (1612534140).

Almost surely, 2^16315477018 is an apocalyptic number.

16315477018 is a deficient number, since it is larger than the sum of its proper divisors (9485069222).

16315477018 is a wasteful number, since it uses less digits than its factorization.

16315477018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656661.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 16315477018 in words is "sixteen billion, three hundred fifteen million, four hundred seventy-seven thousand, eighteen".