30660600605 has 4 divisors (see below), whose sum is σ = 36792720732. Its totient is φ = 24528480480.

The previous prime is 30660600601. The next prime is 30660600643. The reversal of 30660600605 is 50600606603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16511736004 + 14148864601 = 128498^2 + 118949^2 .

It is not a de Polignac number, because 30660600605 - 2² = 30660600601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660600601) 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 3 ways as a sum of consecutive naturals, for example, 3066060056 + ... + 3066060065.

It is an arithmetic number, because the mean of its divisors is an integer number (9198180183).

Almost surely, 2^30660600605 is an apocalyptic number.

It is an amenable number.

30660600605 is a deficient number, since it is larger than the sum of its proper divisors (6132120127).

30660600605 is an equidigital number, since it uses as much as digits as its factorization.

30660600605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132120126.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 30660600605 in words is "thirty billion, six hundred sixty million, six hundred thousand, six hundred five".