82716154191 has 48 divisors (see below), whose sum is σ = 134885556000. Its totient is φ = 48384241920.

The previous prime is 82716154163. The next prime is 82716154201. The reversal of 82716154191 is 19145161728.

82716154191 is a `hidden beast` number, since 8 + 2 + 7 + 16 + 1 + 541 + 91 = 666.

It is not a de Polignac number, because 82716154191 - 2¹⁸ = 82715892047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82716154151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14090805 + ... + 14096673.

It is an arithmetic number, because the mean of its divisors is an integer number (2810115750).

Almost surely, 2^82716154191 is an apocalyptic number.

82716154191 is a deficient number, since it is larger than the sum of its proper divisors (52169401809).

82716154191 is a wasteful number, since it uses less digits than its factorization.

82716154191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10824 (or 10821 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The spelling of 82716154191 in words is "eighty-two billion, seven hundred sixteen million, one hundred fifty-four thousand, one hundred ninety-one".