30666601 has 16 divisors (see below), whose sum is σ = 37008000. Its totient is φ = 25371024.

The previous prime is 30666593. The next prime is 30666617. The reversal of 30666601 is 10666603.

It is not a de Polignac number, because 30666601 - 2³ = 30666593 is a prime.

It is a super-3 number, since 3×30666601³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30666601.

It is not an unprimeable number, because it can be changed into a prime (30666001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8406 + ... + 11488.

It is an arithmetic number, because the mean of its divisors is an integer number (2313000).

Almost surely, 2^30666601 is an apocalyptic number.

It is an amenable number.

30666601 is a deficient number, since it is larger than the sum of its proper divisors (6341399).

30666601 is an equidigital number, since it uses as much as digits as its factorization.

30666601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3119 counting only the distinct ones).

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

The square root of 30666601 is about 5537.7433129389. The cubic root of 30666601 is about 313.0078390181.

The spelling of 30666601 in words is "thirty million, six hundred sixty-six thousand, six hundred one".