198087745075 has 12 divisors (see below), whose sum is σ = 267958695528. Its totient is φ = 144063814400.

The previous prime is 198087745027. The next prime is 198087745099. The reversal of 198087745075 is 570547780891.

It is not a de Polignac number, because 198087745075 - 2⁹ = 198087744563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360159262 + ... + 360159811.

It is an arithmetic number, because the mean of its divisors is an integer number (22329891294).

Almost surely, 2^198087745075 is an apocalyptic number.

198087745075 is a deficient number, since it is larger than the sum of its proper divisors (69870950453).

198087745075 is a wasteful number, since it uses less digits than its factorization.

198087745075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720319094 (or 720319089 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 61.

The spelling of 198087745075 in words is "one hundred ninety-eight billion, eighty-seven million, seven hundred forty-five thousand, seventy-five".