42166606 has 8 divisors (see below), whose sum is σ = 64959480. Its totient is φ = 20513448.

The previous prime is 42166549. The next prime is 42166627. The reversal of 42166606 is 60666124.

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, 284836 + ... + 284983.

It is an arithmetic number, because the mean of its divisors is an integer number (8119935).

Almost surely, 2^42166606 is an apocalyptic number.

42166606 is a deficient number, since it is larger than the sum of its proper divisors (22792874).

42166606 is a wasteful number, since it uses less digits than its factorization.

42166606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569858.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 42166606 is about 6493.5819083153. The cubic root of 42166606 is about 348.0616825968.

The spelling of 42166606 in words is "forty-two million, one hundred sixty-six thousand, six hundred six".