188457442195 has 16 divisors (see below), whose sum is σ = 246869176320. Its totient is φ = 136970373600.

The previous prime is 188457442157. The next prime is 188457442207. The reversal of 188457442195 is 591244754881.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-188457442195 is a prime.

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, 1034835 + ... + 1203244.

It is an arithmetic number, because the mean of its divisors is an integer number (15429323520).

Almost surely, 2^188457442195 is an apocalyptic number.

188457442195 is a deficient number, since it is larger than the sum of its proper divisors (58411734125).

188457442195 is a wasteful number, since it uses less digits than its factorization.

188457442195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239626.

The product of its digits is 12902400, while the sum is 58.

The spelling of 188457442195 in words is "one hundred eighty-eight billion, four hundred fifty-seven million, four hundred forty-two thousand, one hundred ninety-five".