82167266 has 16 divisors (see below), whose sum is σ = 127769400. Its totient is φ = 39583488.

The previous prime is 82167223. The next prime is 82167271. The reversal of 82167266 is 66276128.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65529025 + 16638241 = 8095^2 + 4079^2 .

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, 33200 + ... + 35588.

Almost surely, 2^82167266 is an apocalyptic number.

82167266 is a deficient number, since it is larger than the sum of its proper divisors (45602134).

82167266 is a wasteful number, since it uses less digits than its factorization.

82167266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its digits is 48384, while the sum is 38.

The square root of 82167266 is about 9064.6161529322. The cubic root of 82167266 is about 434.7433479653.

The spelling of 82167266 in words is "eighty-two million, one hundred sixty-seven thousand, two hundred sixty-six".