65746663 has 2 divisors, whose sum is σ = 65746664. Its totient is φ = 65746662.

The previous prime is 65746661. The next prime is 65746679. The reversal of 65746663 is 36664756.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65746663 - 2¹ = 65746661 is a prime.

Together with 65746661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65746661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32873331 + 32873332.

It is an arithmetic number, because the mean of its divisors is an integer number (32873332).

Almost surely, 2^65746663 is an apocalyptic number.

65746663 is a deficient number, since it is larger than the sum of its proper divisors (1).

65746663 is an equidigital number, since it uses as much as digits as its factorization.

65746663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 43.

The square root of 65746663 is about 8108.4315992675. The cubic root of 65746663 is about 403.6062705726.

The spelling of 65746663 in words is "sixty-five million, seven hundred forty-six thousand, six hundred sixty-three".