30405166 has 16 divisors (see below), whose sum is σ = 51470640. Its totient is φ = 13343680.

The previous prime is 30405161. The next prime is 30405169. The reversal of 30405166 is 66150403.

It is a self number, because there is not a number n which added to its sum of digits gives 30405166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30405161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23191 + ... + 24466.

It is an arithmetic number, because the mean of its divisors is an integer number (3216915).

Almost surely, 2^30405166 is an apocalyptic number.

30405166 is a deficient number, since it is larger than the sum of its proper divisors (21065474).

30405166 is a wasteful number, since it uses less digits than its factorization.

30405166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47699.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30405166 is about 5514.0879572238. The cubic root of 30405166 is about 312.1158278578.

Adding to 30405166 its reverse (66150403), we get a palindrome (96555569).

The spelling of 30405166 in words is "thirty million, four hundred five thousand, one hundred sixty-six".