82166052 has 24 divisors (see below), whose sum is σ = 192550176. Its totient is φ = 27270208.

The previous prime is 82166047. The next prime is 82166057. The reversal of 82166052 is 25066128.

It is an interprime number because it is at equal distance from previous prime (82166047) and next prime (82166057).

It is not an unprimeable number, because it can be changed into a prime (82166057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11898 + ... + 17489.

It is an arithmetic number, because the mean of its divisors is an integer number (8022924).

Almost surely, 2^82166052 is an apocalyptic number.

It is an amenable number.

82166052 is an abundant number, since it is smaller than the sum of its proper divisors (110384124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82166052 is a wasteful number, since it uses less digits than its factorization.

82166052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29627 (or 29625 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 82166052 is about 9064.5491890110. The cubic root of 82166052 is about 434.7412068814.

The spelling of 82166052 in words is "eighty-two million, one hundred sixty-six thousand, fifty-two".