30666107 has 16 divisors (see below), whose sum is σ = 32970240. Its totient is φ = 28459200.

The previous prime is 30666067. The next prime is 30666109. The reversal of 30666107 is 70166603.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30666107 - 2²⁰ = 29617531 is a prime.

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 30666107.

It is not an unprimeable number, because it can be changed into a prime (30666109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145232 + ... + 145442.

It is an arithmetic number, because the mean of its divisors is an integer number (2060640).

Almost surely, 2^30666107 is an apocalyptic number.

30666107 is a deficient number, since it is larger than the sum of its proper divisors (2304133).

30666107 is a wasteful number, since it uses less digits than its factorization.

30666107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30666107 is about 5537.6987097530. The cubic root of 30666107 is about 313.0061582895.

The spelling of 30666107 in words is "thirty million, six hundred sixty-six thousand, one hundred seven".