190895852191 has 6 divisors (see below), whose sum is σ = 209827672376. Its totient is φ = 173541683700.

The previous prime is 190895852171. The next prime is 190895852263. The reversal of 190895852191 is 191258598091.

It is not a de Polignac number, because 190895852191 - 2⁵ = 190895852159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190895852171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 788825715 + ... + 788825956.

Almost surely, 2^190895852191 is an apocalyptic number.

190895852191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190895852191 is a deficient number, since it is larger than the sum of its proper divisors (18931820185).

190895852191 is a wasteful number, since it uses less digits than its factorization.

190895852191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577651693 (or 1577651682 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 58.

The spelling of 190895852191 in words is "one hundred ninety billion, eight hundred ninety-five million, eight hundred fifty-two thousand, one hundred ninety-one".