442132166 has 64 divisors (see below), whose sum is σ = 827366400. Its totient is φ = 172969344.

The previous prime is 442132157. The next prime is 442132169. The reversal of 442132166 is 661231244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442132169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1643480 + ... + 1643748.

It is an arithmetic number, because the mean of its divisors is an integer number (12927600).

Almost surely, 2^442132166 is an apocalyptic number.

442132166 is a deficient number, since it is larger than the sum of its proper divisors (385234234).

442132166 is a wasteful number, since it uses less digits than its factorization.

442132166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 6912, while the sum is 29.

The square root of 442132166 is about 21026.9390544606. The cubic root of 442132166 is about 761.8170775410.

The spelling of 442132166 in words is "four hundred forty-two million, one hundred thirty-two thousand, one hundred sixty-six".