82050667191 has 12 divisors (see below), whose sum is σ = 118630410600. Its totient is φ = 54648392400.

The previous prime is 82050667183. The next prime is 82050667213. The reversal of 82050667191 is 19176605028.

82050667191 is a `hidden beast` number, since 82 + 0 + 506 + 67 + 1 + 9 + 1 = 666.

It is not a de Polignac number, because 82050667191 - 2³ = 82050667183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82050667891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4327716 + ... + 4346633.

It is an arithmetic number, because the mean of its divisors is an integer number (9885867550).

Almost surely, 2^82050667191 is an apocalyptic number.

82050667191 is a deficient number, since it is larger than the sum of its proper divisors (36579743409).

82050667191 is a wasteful number, since it uses less digits than its factorization.

82050667191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8675406 (or 8675403 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 82050667191 in words is "eighty-two billion, fifty million, six hundred sixty-seven thousand, one hundred ninety-one".