18669017000 has 32 divisors (see below), whose sum is σ = 43685502120. Its totient is φ = 7467606400.

The previous prime is 18669016967. The next prime is 18669017027. The reversal of 18669017000 is 71096681.

It can be written as a sum of positive squares in 4 ways, for example, as 3898503844 + 14770513156 = 62438^2 + 121534^2 .

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, 9333509 + ... + 9335508.

Almost surely, 2^18669017000 is an apocalyptic number.

18669017000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18669017000 is an abundant number, since it is smaller than the sum of its proper divisors (25016485120).

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

18669017000 is a wasteful number, since it uses less digits than its factorization.

18669017000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18669038 (or 18669024 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 18669017000 in words is "eighteen billion, six hundred sixty-nine million, seventeen thousand".