16318659372 has 12 divisors (see below), whose sum is σ = 38076871896. Its totient is φ = 5439553120.

The previous prime is 16318659317. The next prime is 16318659433. The reversal of 16318659372 is 27395681361.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679944129 + ... + 679944152.

It is an arithmetic number, because the mean of its divisors is an integer number (3173072658).

Almost surely, 2^16318659372 is an apocalyptic number.

16318659372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16318659372 is an abundant number, since it is smaller than the sum of its proper divisors (21758212524).

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

16318659372 is a wasteful number, since it uses less digits than its factorization.

16318659372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359888288 (or 1359888286 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 16318659372 in words is "sixteen billion, three hundred eighteen million, six hundred fifty-nine thousand, three hundred seventy-two".