30560056645666 has 4 divisors (see below), whose sum is σ = 45840084968502. Its totient is φ = 15280028322832.

The previous prime is 30560056645607. The next prime is 30560056645697. The reversal of 30560056645666 is 66654665006503.

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., 20357647683025 + 10202408962641 = 4511945^2 + 3194121^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30560056645666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7640014161415 + ... + 7640014161418.

Almost surely, 2^{30560056645666} is an apocalyptic number.

30560056645666 is a deficient number, since it is larger than the sum of its proper divisors (15280028322836).

30560056645666 is a wasteful number, since it uses less digits than its factorization.

30560056645666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280028322835.

The product of its (nonzero) digits is 69984000, while the sum is 58.

The spelling of 30560056645666 in words is "thirty trillion, five hundred sixty billion, fifty-six million, six hundred forty-five thousand, six hundred sixty-six".