82162115 has 16 divisors (see below), whose sum is σ = 114041088. Its totient is φ = 55658976.

The previous prime is 82162111. The next prime is 82162151. The reversal of 82162115 is 51126128.

It is a cyclic number.

It is not a de Polignac number, because 82162115 - 2² = 82162111 is a prime.

It is a super-2 number, since 2×82162115² = 13501226282546450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82162111) 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, 11237 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (7127568).

Almost surely, 2^82162115 is an apocalyptic number.

82162115 is a deficient number, since it is larger than the sum of its proper divisors (31878973).

82162115 is a wasteful number, since it uses less digits than its factorization.

82162115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378.

The product of its digits is 960, while the sum is 26.

The square root of 82162115 is about 9064.3320217212. The cubic root of 82162115 is about 434.7342632049.

The spelling of 82162115 in words is "eighty-two million, one hundred sixty-two thousand, one hundred fifteen".