660056627 has 2 divisors, whose sum is σ = 660056628. Its totient is φ = 660056626.

The previous prime is 660056609. The next prime is 660056633. The reversal of 660056627 is 726650066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660056627 - 2⁶ = 660056563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (660056027) 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 as a sum of consecutive naturals, namely, 330028313 + 330028314.

It is an arithmetic number, because the mean of its divisors is an integer number (330028314).

Almost surely, 2^660056627 is an apocalyptic number.

660056627 is a deficient number, since it is larger than the sum of its proper divisors (1).

660056627 is an equidigital number, since it uses as much as digits as its factorization.

660056627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 660056627 is about 25691.5672351844. The cubic root of 660056627 is about 870.6836688063.

The spelling of 660056627 in words is "six hundred sixty million, fifty-six thousand, six hundred twenty-seven".