82190165 has 16 divisors (see below), whose sum is σ = 100362240. Its totient is φ = 64606080.

The previous prime is 82190159. The next prime is 82190167. The reversal of 82190165 is 56109128.

It is not a de Polignac number, because 82190165 - 2⁴ = 82190149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82190167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84512 + ... + 85478.

It is an arithmetic number, because the mean of its divisors is an integer number (6272640).

Almost surely, 2^82190165 is an apocalyptic number.

It is an amenable number.

82190165 is a deficient number, since it is larger than the sum of its proper divisors (18172075).

82190165 is a wasteful number, since it uses less digits than its factorization.

82190165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 82190165 is about 9065.8791631038. The cubic root of 82190165 is about 434.7837300775.

The spelling of 82190165 in words is "eighty-two million, one hundred ninety thousand, one hundred sixty-five".