510661662671 has 2 divisors, whose sum is σ = 510661662672. Its totient is φ = 510661662670.

The previous prime is 510661662607. The next prime is 510661662689. The reversal of 510661662671 is 176266166015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 510661662671 - 2⁶ = 510661662607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (510661662601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255330831335 + 255330831336.

It is an arithmetic number, because the mean of its divisors is an integer number (255330831336).

Almost surely, 2^510661662671 is an apocalyptic number.

510661662671 is a deficient number, since it is larger than the sum of its proper divisors (1).

510661662671 is an equidigital number, since it uses as much as digits as its factorization.

510661662671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 510661662671 in words is "five hundred ten billion, six hundred sixty-one million, six hundred sixty-two thousand, six hundred seventy-one".