6000021000018 has 24 divisors (see below), whose sum is σ = 13000130000208. Its totient is φ = 1999993999992.

The previous prime is 6000021000011. The next prime is 6000021000053. The reversal of 6000021000018 is 8100001200006.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (6000021000011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2000005 + ... + 4000007.

It is an arithmetic number, because the mean of its divisors is an integer number (541672083342).

Almost surely, 2^{6000021000018} is an apocalyptic number.

6000021000018 is an abundant number, since it is smaller than the sum of its proper divisors (7000109000190).

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

6000021000018 is a wasteful number, since it uses less digits than its factorization.

6000021000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166678 (or 2166675 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The spelling of 6000021000018 in words is "six trillion, twenty-one million, eighteen", and thus it is an aban number and an uban number.