30116666 has 4 divisors (see below), whose sum is σ = 45175002. Its totient is φ = 15058332.

The previous prime is 30116651. The next prime is 30116677. The reversal of 30116666 is 66661103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25210441 + 4906225 = 5021^2 + 2215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7529165 + ... + 7529168.

Almost surely, 2^30116666 is an apocalyptic number.

30116666 is a deficient number, since it is larger than the sum of its proper divisors (15058336).

30116666 is a wasteful number, since it uses less digits than its factorization.

30116666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15058335.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30116666 is about 5487.8653409135. The cubic root of 30116666 is about 311.1255166893.

Adding to 30116666 its reverse (66661103), we get a palindrome (96777769).

The spelling of 30116666 in words is "thirty million, one hundred sixteen thousand, six hundred sixty-six".