195202908158 has 4 divisors (see below), whose sum is σ = 292804362240. Its totient is φ = 97601454078.

The previous prime is 195202908157. The next prime is 195202908211. The reversal of 195202908158 is 851809202591.

195202908158 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195202908157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48800727038 + ... + 48800727041.

It is an arithmetic number, because the mean of its divisors is an integer number (73201090560).

Almost surely, 2^195202908158 is an apocalyptic number.

195202908158 is a deficient number, since it is larger than the sum of its proper divisors (97601454082).

195202908158 is an equidigital number, since it uses as much as digits as its factorization.

195202908158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97601454081.

The product of its (nonzero) digits is 518400, while the sum is 50.

The spelling of 195202908158 in words is "one hundred ninety-five billion, two hundred two million, nine hundred eight thousand, one hundred fifty-eight".