42271166 has 32 divisors (see below), whose sum is σ = 75368448. Its totient is φ = 17399520.

The previous prime is 42271139. The next prime is 42271169. The reversal of 42271166 is 66117224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42271169) 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 15 ways as a sum of consecutive naturals, for example, 74801 + ... + 75363.

It is an arithmetic number, because the mean of its divisors is an integer number (2355264).

Almost surely, 2^42271166 is an apocalyptic number.

42271166 is a deficient number, since it is larger than the sum of its proper divisors (33097282).

42271166 is a wasteful number, since it uses less digits than its factorization.

42271166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its digits is 4032, while the sum is 29.

The square root of 42271166 is about 6501.6279499830. The cubic root of 42271166 is about 348.3491398447.

The spelling of 42271166 in words is "forty-two million, two hundred seventy-one thousand, one hundred sixty-six".