42664166 has 8 divisors (see below), whose sum is σ = 64064304. Its totient is φ = 21309400.

The previous prime is 42664159. The next prime is 42664183. The reversal of 42664166 is 66146624.

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, 8885 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (8008038).

Almost surely, 2^42664166 is an apocalyptic number.

42664166 is a deficient number, since it is larger than the sum of its proper divisors (21400138).

42664166 is a wasteful number, since it uses less digits than its factorization.

42664166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22686.

The product of its digits is 41472, while the sum is 35.

The square root of 42664166 is about 6531.7812271998. The cubic root of 42664166 is about 349.4253590938.

The spelling of 42664166 in words is "forty-two million, six hundred sixty-four thousand, one hundred sixty-six".