42027166 has 4 divisors (see below), whose sum is σ = 63040752. Its totient is φ = 21013582.

The previous prime is 42027151. The next prime is 42027169. The reversal of 42027166 is 66172024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42027169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10506790 + ... + 10506793.

It is an arithmetic number, because the mean of its divisors is an integer number (15760188).

Almost surely, 2^42027166 is an apocalyptic number.

42027166 is a deficient number, since it is larger than the sum of its proper divisors (21013586).

42027166 is a wasteful number, since it uses less digits than its factorization.

42027166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013585.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42027166 is about 6482.8362620075. The cubic root of 42027166 is about 347.6775925742.

The spelling of 42027166 in words is "forty-two million, twenty-seven thousand, one hundred sixty-six".