66296963 has 2 divisors, whose sum is σ = 66296964. Its totient is φ = 66296962.

The previous prime is 66296849. The next prime is 66296981. The reversal of 66296963 is 36969266.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66296963 - 2¹⁰ = 66295939 is a prime.

It is not a weakly prime, because it can be changed into another prime (66296063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33148481 + 33148482.

It is an arithmetic number, because the mean of its divisors is an integer number (33148482).

Almost surely, 2^66296963 is an apocalyptic number.

66296963 is a deficient number, since it is larger than the sum of its proper divisors (1).

66296963 is an equidigital number, since it uses as much as digits as its factorization.

66296963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 47.

The square root of 66296963 is about 8142.2947011269. The cubic root of 66296963 is about 404.7292057603.

The spelling of 66296963 in words is "sixty-six million, two hundred ninety-six thousand, nine hundred sixty-three".