30056072666 has 4 divisors (see below), whose sum is σ = 45084109002. Its totient is φ = 15028036332.

The previous prime is 30056072593. The next prime is 30056072677. The reversal of 30056072666 is 66627065003.

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., 22762058641 + 7294014025 = 150871^2 + 85405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7514018165 + ... + 7514018168.

Almost surely, 2^30056072666 is an apocalyptic number.

30056072666 is a deficient number, since it is larger than the sum of its proper divisors (15028036336).

30056072666 is a wasteful number, since it uses less digits than its factorization.

30056072666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028036335.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 30056072666 in words is "thirty billion, fifty-six million, seventy-two thousand, six hundred sixty-six".