681874810200 has 96 divisors (see below), whose sum is σ = 2348679920400. Its totient is φ = 181833281280.

The previous prime is 681874810193. The next prime is 681874810231. The reversal of 681874810200 is 2018478186.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63131157 + ... + 63141956.

Almost surely, 2^681874810200 is an apocalyptic number.

681874810200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

681874810200 is an abundant number, since it is smaller than the sum of its proper divisors (1666805110200).

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

681874810200 is a wasteful number, since it uses less digits than its factorization.

681874810200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126273138 (or 126273123 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The spelling of 681874810200 in words is "six hundred eighty-one billion, eight hundred seventy-four million, eight hundred ten thousand, two hundred".