660462707 has 2 divisors, whose sum is σ = 660462708. Its totient is φ = 660462706.

The previous prime is 660462703. The next prime is 660462709. The reversal of 660462707 is 707264066.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660462707 - 2² = 660462703 is a prime.

Together with 660462709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (660462703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330231353 + 330231354.

It is an arithmetic number, because the mean of its divisors is an integer number (330231354).

Almost surely, 2^660462707 is an apocalyptic number.

660462707 is a deficient number, since it is larger than the sum of its proper divisors (1).

660462707 is an equidigital number, since it uses as much as digits as its factorization.

660462707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 660462707 is about 25699.4690022965. The cubic root of 660462707 is about 870.8621861877.

The spelling of 660462707 in words is "six hundred sixty million, four hundred sixty-two thousand, seven hundred seven".