18670170140 has 12 divisors (see below), whose sum is σ = 39207357336. Its totient is φ = 7468068048.

The previous prime is 18670170139. The next prime is 18670170187. The reversal of 18670170140 is 4107107681.

It is a self number, because there is not a number n which added to its sum of digits gives 18670170140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466754234 + ... + 466754273.

It is an arithmetic number, because the mean of its divisors is an integer number (3267279778).

Almost surely, 2^18670170140 is an apocalyptic number.

18670170140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18670170140 is an abundant number, since it is smaller than the sum of its proper divisors (20537187196).

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

18670170140 is a wasteful number, since it uses less digits than its factorization.

18670170140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933508516 (or 933508514 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 18670170140 in words is "eighteen billion, six hundred seventy million, one hundred seventy thousand, one hundred forty".