198603891260 has 48 divisors (see below), whose sum is σ = 419934515616. Its totient is φ = 78897030912.

The previous prime is 198603891251. The next prime is 198603891281. The reversal of 198603891260 is 62198306891.

It is a super-2 number, since 2×198603891260² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173454 + ... + 2262986.

It is an arithmetic number, because the mean of its divisors is an integer number (8748635742).

Almost surely, 2^198603891260 is an apocalyptic number.

198603891260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198603891260 is an abundant number, since it is smaller than the sum of its proper divisors (221330624356).

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

198603891260 is a wasteful number, since it uses less digits than its factorization.

198603891260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90302 (or 90300 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 198603891260 in words is "one hundred ninety-eight billion, six hundred three million, eight hundred ninety-one thousand, two hundred sixty".