445982166 has 32 divisors (see below), whose sum is σ = 1132654080. Its totient is φ = 127423368.

The previous prime is 445982153. The next prime is 445982171. The reversal of 445982166 is 661289544.

445982166 is a `hidden beast` number, since 44 + 598 + 2 + 16 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589546 + ... + 590301.

It is an arithmetic number, because the mean of its divisors is an integer number (35395440).

Almost surely, 2^445982166 is an apocalyptic number.

445982166 is an abundant number, since it is smaller than the sum of its proper divisors (686671914).

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

445982166 is a wasteful number, since it uses less digits than its factorization.

445982166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179865 (or 1179859 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 445982166 is about 21118.2898455344. The cubic root of 445982166 is about 764.0219411569.

It can be divided in two parts, 44598 and 2166, that added together give a palindrome (46764).

The spelling of 445982166 in words is "four hundred forty-five million, nine hundred eighty-two thousand, one hundred sixty-six".