18669316100 has 18 divisors (see below), whose sum is σ = 40512416154. Its totient is φ = 7467726400.

The previous prime is 18669316097. The next prime is 18669316129. The reversal of 18669316100 is 161396681.

It can be written as a sum of positive squares in 3 ways, for example, as 2997781504 + 15671534596 = 54752^2 + 125186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93346481 + ... + 93346680.

Almost surely, 2^18669316100 is an apocalyptic number.

18669316100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18669316100 is an abundant number, since it is smaller than the sum of its proper divisors (21843100054).

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

18669316100 is a wasteful number, since it uses less digits than its factorization.

18669316100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186693175 (or 186693168 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 18669316100 in words is "eighteen billion, six hundred sixty-nine million, three hundred sixteen thousand, one hundred".