82151165 has 8 divisors (see below), whose sum is σ = 98631168. Its totient is φ = 65687760.

The previous prime is 82151131. The next prime is 82151177. The reversal of 82151165 is 56115128.

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

It is not a de Polignac number, because 82151165 - 2⁸ = 82150909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13844 + ... + 18866.

It is an arithmetic number, because the mean of its divisors is an integer number (12328896).

Almost surely, 2^82151165 is an apocalyptic number.

It is an amenable number.

82151165 is a deficient number, since it is larger than the sum of its proper divisors (16480003).

82151165 is a wasteful number, since it uses less digits than its factorization.

82151165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8299.

The product of its digits is 2400, while the sum is 29.

The square root of 82151165 is about 9063.7279857683. The cubic root of 82151165 is about 434.7149495521.

The spelling of 82151165 in words is "eighty-two million, one hundred fifty-one thousand, one hundred sixty-five".