42693166 has 8 divisors (see below), whose sum is σ = 64070280. Its totient is φ = 21336408.

The previous prime is 42693163. The next prime is 42693181. The reversal of 42693166 is 66139624.

It is a happy number.

42693166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42693163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (8008785).

Almost surely, 2^42693166 is an apocalyptic number.

42693166 is a deficient number, since it is larger than the sum of its proper divisors (21377114).

42693166 is a wasteful number, since it uses less digits than its factorization.

42693166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178.

The product of its digits is 46656, while the sum is 37.

The square root of 42693166 is about 6534.0007652280. Note that the first 3 decimals coincide. The cubic root of 42693166 is about 349.5045124854.

The spelling of 42693166 in words is "forty-two million, six hundred ninety-three thousand, one hundred sixty-six".