198057032718 has 8 divisors (see below), whose sum is σ = 396114065448. Its totient is φ = 66019010904.

The previous prime is 198057032603. The next prime is 198057032731. The reversal of 198057032718 is 817230750891.

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

198057032718 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16504752721 + ... + 16504752732.

It is an arithmetic number, because the mean of its divisors is an integer number (49514258181).

Almost surely, 2^198057032718 is an apocalyptic number.

198057032718 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198057032718 is a wasteful number, since it uses less digits than its factorization.

198057032718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33009505458.

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 198057032718 in words is "one hundred ninety-eight billion, fifty-seven million, thirty-two thousand, seven hundred eighteen".