198220255375 has 16 divisors (see below), whose sum is σ = 253412516448. Its totient is φ = 154708488000.

The previous prime is 198220255369. The next prime is 198220255381. The reversal of 198220255375 is 573552022891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (198220255369) and next prime (198220255381).

It is not a de Polignac number, because 198220255375 - 2³ = 198220255367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19333437 + ... + 19343686.

It is an arithmetic number, because the mean of its divisors is an integer number (15838282278).

Almost surely, 2^198220255375 is an apocalyptic number.

198220255375 is a deficient number, since it is larger than the sum of its proper divisors (55192261073).

198220255375 is an equidigital number, since it uses as much as digits as its factorization.

198220255375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38677179 (or 38677169 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 198220255375 in words is "one hundred ninety-eight billion, two hundred twenty million, two hundred fifty-five thousand, three hundred seventy-five".