198756974370 has 64 divisors (see below), whose sum is σ = 479087260416. Its totient is φ = 52772202240.

The previous prime is 198756974369. The next prime is 198756974371. The reversal of 198756974370 is 73479657891.

It is an interprime number because it is at equal distance from previous prime (198756974369) and next prime (198756974371).

It is not an unprimeable number, because it can be changed into a prime (198756974371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8328355 + ... + 8352185.

It is an arithmetic number, because the mean of its divisors is an integer number (7485738444).

Almost surely, 2^198756974370 is an apocalyptic number.

198756974370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198756974370 is an abundant number, since it is smaller than the sum of its proper divisors (280330286046).

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

198756974370 is a wasteful number, since it uses less digits than its factorization.

198756974370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25035.

The product of its (nonzero) digits is 80015040, while the sum is 66.

The spelling of 198756974370 in words is "one hundred ninety-eight billion, seven hundred fifty-six million, nine hundred seventy-four thousand, three hundred seventy".