100198580 has 24 divisors (see below), whose sum is σ = 219566592. Its totient is φ = 38336672.

The previous prime is 100198519. The next prime is 100198591. The reversal of 100198580 is 85891001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108452 + ... + 109371.

It is an arithmetic number, because the mean of its divisors is an integer number (9148608).

Almost surely, 2^100198580 is an apocalyptic number.

100198580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100198580 is an abundant number, since it is smaller than the sum of its proper divisors (119368012).

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

100198580 is a wasteful number, since it uses less digits than its factorization.

100198580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217855 (or 217853 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 100198580 is about 10009.9240756361. The cubic root of 100198580 is about 464.4659224483.

The spelling of 100198580 in words is "one hundred million, one hundred ninety-eight thousand, five hundred eighty".