42166630 has 32 divisors (see below), whose sum is σ = 87674400. Its totient is φ = 14430720.

The previous prime is 42166627. The next prime is 42166669. The reversal of 42166630 is 3666124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9405 + ... + 13144.

It is an arithmetic number, because the mean of its divisors is an integer number (2739825).

Almost surely, 2^42166630 is an apocalyptic number.

42166630 is an abundant number, since it is smaller than the sum of its proper divisors (45507770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42166630 is a wasteful number, since it uses less digits than its factorization.

42166630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 42166630 is about 6493.5837562936. The cubic root of 42166630 is about 348.0617486323.

The spelling of 42166630 in words is "forty-two million, one hundred sixty-six thousand, six hundred thirty".