82165694 has 8 divisors (see below), whose sum is σ = 132729240. Its totient is φ = 37922616.

The previous prime is 82165691. The next prime is 82165711. The reversal of 82165694 is 49656128.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82165691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580084 + ... + 1580135.

It is an arithmetic number, because the mean of its divisors is an integer number (16591155).

Almost surely, 2^82165694 is an apocalyptic number.

82165694 is a deficient number, since it is larger than the sum of its proper divisors (50563546).

82165694 is a wasteful number, since it uses less digits than its factorization.

82165694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160234.

The product of its digits is 103680, while the sum is 41.

The square root of 82165694 is about 9064.5294417306. The cubic root of 82165694 is about 434.7405754869.

The spelling of 82165694 in words is "eighty-two million, one hundred sixty-five thousand, six hundred ninety-four".