82671652166831 has 32 divisors (see below), whose sum is σ = 103146236110848. Its totient is φ = 64512827861760.

The previous prime is 82671652166773. The next prime is 82671652166849. The reversal of 82671652166831 is 13866125617628.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82671652166831 is a prime.

It is a super-2 number, since 2×82671652166831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82671652166231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296716496 + ... + 296994986.

It is an arithmetic number, because the mean of its divisors is an integer number (3223319878464).

Almost surely, 2^{82671652166831} is an apocalyptic number.

82671652166831 is a deficient number, since it is larger than the sum of its proper divisors (20474583944017).

82671652166831 is a wasteful number, since it uses less digits than its factorization.

82671652166831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323271.

The product of its digits is 34836480, while the sum is 62.

The spelling of 82671652166831 in words is "eighty-two trillion, six hundred seventy-one billion, six hundred fifty-two million, one hundred sixty-six thousand, eight hundred thirty-one".