188103152194 has 8 divisors (see below), whose sum is σ = 282172014540. Its totient is φ = 94045814016.

The previous prime is 188103152101. The next prime is 188103152203. The reversal of 188103152194 is 491251301881.

It can be written as a sum of positive squares in 2 ways, for example, as 168048343969 + 20054808225 = 409937^2 + 141615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 188103152194.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2840119 + ... + 2905594.

Almost surely, 2^188103152194 is an apocalyptic number.

188103152194 is a deficient number, since it is larger than the sum of its proper divisors (94068862346).

188103152194 is a wasteful number, since it uses less digits than its factorization.

188103152194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762084.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 188103152194 in words is "one hundred eighty-eight billion, one hundred three million, one hundred fifty-two thousand, one hundred ninety-four".