996686760961 has 2 divisors, whose sum is σ = 996686760962. Its totient is φ = 996686760960.

The previous prime is 996686760941. The next prime is 996686760997. The reversal of 996686760961 is 169067686699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983468890000 + 13217870961 = 991700^2 + 114969^2 .

It is a cyclic number.

It is not a de Polignac number, because 996686760961 - 2¹¹ = 996686758913 is a prime.

It is not a weakly prime, because it can be changed into another prime (996686760911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498343380480 + 498343380481.

It is an arithmetic number, because the mean of its divisors is an integer number (498343380481).

Almost surely, 2^996686760961 is an apocalyptic number.

It is an amenable number.

996686760961 is a deficient number, since it is larger than the sum of its proper divisors (1).

996686760961 is an equidigital number, since it uses as much as digits as its factorization.

996686760961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317447424, while the sum is 73.

The spelling of 996686760961 in words is "nine hundred ninety-six billion, six hundred eighty-six million, seven hundred sixty thousand, nine hundred sixty-one".