198076299920 has 80 divisors (see below), whose sum is σ = 490775016960. Its totient is φ = 74173220352.

The previous prime is 198076299899. The next prime is 198076299937. The reversal of 198076299920 is 29992670891.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058735 + ... + 1231694.

It is an arithmetic number, because the mean of its divisors is an integer number (6134687712).

Almost surely, 2^198076299920 is an apocalyptic number.

198076299920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198076299920 is an abundant number, since it is smaller than the sum of its proper divisors (292698717040).

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

198076299920 is a wasteful number, since it uses less digits than its factorization.

198076299920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290512 (or 2290506 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 198076299920 in words is "one hundred ninety-eight billion, seventy-six million, two hundred ninety-nine thousand, nine hundred twenty".