198866006700 has 36 divisors (see below), whose sum is σ = 575385646920. Its totient is φ = 53030935040.

The previous prime is 198866006683. The next prime is 198866006701. The reversal of 198866006700 is 7600668891.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (198866006701) 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, 331443045 + ... + 331443644.

Almost surely, 2^198866006700 is an apocalyptic number.

198866006700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198866006700 is an abundant number, since it is smaller than the sum of its proper divisors (376519640220).

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

198866006700 is a wasteful number, since it uses less digits than its factorization.

198866006700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662886706 (or 662886699 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 198866006700 in words is "one hundred ninety-eight billion, eight hundred sixty-six million, six thousand, seven hundred".