193198562255 has 16 divisors (see below), whose sum is σ = 237528244800. Its totient is φ = 150766659840.

The previous prime is 193198562251. The next prime is 193198562257. The reversal of 193198562255 is 552265891391.

It is a happy number.

It is not a de Polignac number, because 193198562255 - 2² = 193198562251 is a prime.

It is a super-2 number, since 2×193198562255² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 193198562255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193198562251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382486 + ... + 1515804.

It is an arithmetic number, because the mean of its divisors is an integer number (14845515300).

Almost surely, 2^193198562255 is an apocalyptic number.

193198562255 is a deficient number, since it is larger than the sum of its proper divisors (44329682545).

193198562255 is a wasteful number, since it uses less digits than its factorization.

193198562255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140434.

The product of its digits is 5832000, while the sum is 56.

The spelling of 193198562255 in words is "one hundred ninety-three billion, one hundred ninety-eight million, five hundred sixty-two thousand, two hundred fifty-five".