96664661 has 2 divisors, whose sum is σ = 96664662. Its totient is φ = 96664660.

The previous prime is 96664621. The next prime is 96664691. The reversal of 96664661 is 16646669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 4024036 = 9625^2 + 2006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96664661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96664621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48332330 + 48332331.

It is an arithmetic number, because the mean of its divisors is an integer number (48332331).

Almost surely, 2^96664661 is an apocalyptic number.

It is an amenable number.

96664661 is a deficient number, since it is larger than the sum of its proper divisors (1).

96664661 is an equidigital number, since it uses as much as digits as its factorization.

96664661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 96664661 is about 9831.8188042701. The cubic root of 96664661 is about 458.9399994034.

The spelling of 96664661 in words is "ninety-six million, six hundred sixty-four thousand, six hundred sixty-one".