18867118002 has 8 divisors (see below), whose sum is σ = 37734236016. Its totient is φ = 6289039332.

The previous prime is 18867117991. The next prime is 18867118003. The reversal of 18867118002 is 20081176881.

It is a sphenic number, since it is the product of 3 distinct primes.

18867118002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18867118003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572259828 + ... + 1572259839.

It is an arithmetic number, because the mean of its divisors is an integer number (4716779502).

Almost surely, 2^18867118002 is an apocalyptic number.

18867118002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18867118002 is a wasteful number, since it uses less digits than its factorization.

18867118002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144519672.

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 18867118002 in words is "eighteen billion, eight hundred sixty-seven million, one hundred eighteen thousand, two".