42055166 has 8 divisors (see below), whose sum is σ = 63403560. Its totient is φ = 20920648.

The previous prime is 42055147. The next prime is 42055183. The reversal of 42055166 is 66155024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52976 + ... + 53763.

It is an arithmetic number, because the mean of its divisors is an integer number (7925445).

Almost surely, 2^42055166 is an apocalyptic number.

42055166 is a deficient number, since it is larger than the sum of its proper divisors (21348394).

42055166 is a wasteful number, since it uses less digits than its factorization.

42055166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106938.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 42055166 is about 6484.9954510393. The cubic root of 42055166 is about 347.7547871794.

The spelling of 42055166 in words is "forty-two million, fifty-five thousand, one hundred sixty-six".