30660116540591 has 2 divisors, whose sum is σ = 30660116540592. Its totient is φ = 30660116540590.

The previous prime is 30660116540587. The next prime is 30660116540639. The reversal of 30660116540591 is 19504561106603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30660116540591 - 2² = 30660116540587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30660116540191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15330058270295 + 15330058270296.

It is an arithmetic number, because the mean of its divisors is an integer number (15330058270296).

Almost surely, 2^{30660116540591} is an apocalyptic number.

30660116540591 is a deficient number, since it is larger than the sum of its proper divisors (1).

30660116540591 is an equidigital number, since it uses as much as digits as its factorization.

30660116540591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 30660116540591 in words is "thirty trillion, six hundred sixty billion, one hundred sixteen million, five hundred forty thousand, five hundred ninety-one".