660050556017 has 2 divisors, whose sum is σ = 660050556018. Its totient is φ = 660050556016.

The previous prime is 660050556001. The next prime is 660050556041. The reversal of 660050556017 is 710655050066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 658189841521 + 1860714496 = 811289^2 + 43136^2 .

It is a cyclic number.

It is not a de Polignac number, because 660050556017 - 2⁴ = 660050556001 is a prime.

It is not a weakly prime, because it can be changed into another prime (660050553017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330025278008 + 330025278009.

It is an arithmetic number, because the mean of its divisors is an integer number (330025278009).

Almost surely, 2^660050556017 is an apocalyptic number.

It is an amenable number.

660050556017 is a deficient number, since it is larger than the sum of its proper divisors (1).

660050556017 is an equidigital number, since it uses as much as digits as its factorization.

660050556017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 660050556017 in words is "six hundred sixty billion, fifty million, five hundred fifty-six thousand, seventeen".