2430166 has 4 divisors (see below), whose sum is σ = 3645252. Its totient is φ = 1215082.

The previous prime is 2430163. The next prime is 2430173. The reversal of 2430166 is 6610342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6610342 = 2 ⋅3305171.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607540 + ... + 607543.

It is an arithmetic number, because the mean of its divisors is an integer number (911313).

2^2430166 is an apocalyptic number.

2430166 is a deficient number, since it is larger than the sum of its proper divisors (1215086).

2430166 is a wasteful number, since it uses less digits than its factorization.

2430166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215085.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2430166 is about 1558.8989704275. The cubic root of 2430166 is about 134.4452036982.

The spelling of 2430166 in words is "two million, four hundred thirty thousand, one hundred sixty-six".