196158100255 has 32 divisors (see below), whose sum is σ = 259454099520. Its totient is φ = 141452559360.

The previous prime is 196158100231. The next prime is 196158100261. The reversal of 196158100255 is 552001851691.

It is a happy number.

It is not a de Polignac number, because 196158100255 - 2⁹ = 196158099743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21296091 + ... + 21305299.

It is an arithmetic number, because the mean of its divisors is an integer number (8107940610).

Almost surely, 2^196158100255 is an apocalyptic number.

196158100255 is a deficient number, since it is larger than the sum of its proper divisors (63295999265).

196158100255 is a wasteful number, since it uses less digits than its factorization.

196158100255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16891.

The product of its (nonzero) digits is 108000, while the sum is 43.

The spelling of 196158100255 in words is "one hundred ninety-six billion, one hundred fifty-eight million, one hundred thousand, two hundred fifty-five".