2018668700 has 18 divisors (see below), whose sum is σ = 4380511296. Its totient is φ = 807467440.

The previous prime is 2018668693. The next prime is 2018668709. The reversal of 2018668700 is 78668102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018668709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10093244 + ... + 10093443.

Almost surely, 2^2018668700 is an apocalyptic number.

2018668700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2018668700 is an abundant number, since it is smaller than the sum of its proper divisors (2361842596).

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

2018668700 is a wasteful number, since it uses less digits than its factorization.

2018668700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186701 (or 20186694 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2018668700 is about 44929.5971493180. The cubic root of 2018668700 is about 1263.8290966593.

The spelling of 2018668700 in words is "two billion, eighteen million, six hundred sixty-eight thousand, seven hundred".