966661562963 has 2 divisors, whose sum is σ = 966661562964. Its totient is φ = 966661562962.

The previous prime is 966661562957. The next prime is 966661562989. The reversal of 966661562963 is 369265166669.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 966661562963 - 2⁶ = 966661562899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 966661562963.

It is not a weakly prime, because it can be changed into another prime (966661562063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483330781481 + 483330781482.

It is an arithmetic number, because the mean of its divisors is an integer number (483330781482).

Almost surely, 2^966661562963 is an apocalyptic number.

966661562963 is a deficient number, since it is larger than the sum of its proper divisors (1).

966661562963 is an equidigital number, since it uses as much as digits as its factorization.

966661562963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113374080, while the sum is 65.

The spelling of 966661562963 in words is "nine hundred sixty-six billion, six hundred sixty-one million, five hundred sixty-two thousand, nine hundred sixty-three".