82149466 has 16 divisors (see below), whose sum is σ = 140958720. Its totient is φ = 35174160.

The previous prime is 82149451. The next prime is 82149469. The reversal of 82149466 is 66494128.

It is not an unprimeable number, because it can be changed into a prime (82149469) 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, 18600 + ... + 22588.

It is an arithmetic number, because the mean of its divisors is an integer number (8809920).

Almost surely, 2^82149466 is an apocalyptic number.

82149466 is a deficient number, since it is larger than the sum of its proper divisors (58809254).

82149466 is a wasteful number, since it uses less digits than its factorization.

82149466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469.

The product of its digits is 82944, while the sum is 40.

The square root of 82149466 is about 9063.6342600526. The cubic root of 82149466 is about 434.7119526955.

The spelling of 82149466 in words is "eighty-two million, one hundred forty-nine thousand, four hundred sixty-six".