82166294 has 16 divisors (see below), whose sum is σ = 141060768. Its totient is φ = 35163072.

The previous prime is 82166261. The next prime is 82166297. The reversal of 82166294 is 49266128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82166297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6722 + ... + 14474.

It is an arithmetic number, because the mean of its divisors is an integer number (8816298).

Almost surely, 2^82166294 is an apocalyptic number.

82166294 is a deficient number, since it is larger than the sum of its proper divisors (58894474).

82166294 is a wasteful number, since it uses less digits than its factorization.

82166294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519.

The product of its digits is 41472, while the sum is 38.

The square root of 82166294 is about 9064.5625377069. The cubic root of 82166294 is about 434.7416336890.

The spelling of 82166294 in words is "eighty-two million, one hundred sixty-six thousand, two hundred ninety-four".