198118752734 has 8 divisors (see below), whose sum is σ = 339632147568. Its totient is φ = 84908036880.

The previous prime is 198118752731. The next prime is 198118752751. The reversal of 198118752734 is 437257811891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 198118752734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198118752731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7075669727 + ... + 7075669754.

It is an arithmetic number, because the mean of its divisors is an integer number (42454018446).

Almost surely, 2^198118752734 is an apocalyptic number.

198118752734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198118752734 is a deficient number, since it is larger than the sum of its proper divisors (141513394834).

198118752734 is a wasteful number, since it uses less digits than its factorization.

198118752734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151339490.

The product of its digits is 3386880, while the sum is 56.

The spelling of 198118752734 in words is "one hundred ninety-eight billion, one hundred eighteen million, seven hundred fifty-two thousand, seven hundred thirty-four".