66003166 has 8 divisors (see below), whose sum is σ = 99207864. Its totient is φ = 32933880.

The previous prime is 66003149. The next prime is 66003167. The reversal of 66003166 is 66130066.

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 (66003167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32625 + ... + 34588.

It is an arithmetic number, because the mean of its divisors is an integer number (12400983).

Almost surely, 2^66003166 is an apocalyptic number.

66003166 is a deficient number, since it is larger than the sum of its proper divisors (33204698).

66003166 is a wasteful number, since it uses less digits than its factorization.

66003166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67706.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 66003166 is about 8124.2332561295. The cubic root of 66003166 is about 404.1304638609.

The spelling of 66003166 in words is "sixty-six million, three thousand, one hundred sixty-six".