64066811 has 2 divisors, whose sum is σ = 64066812. Its totient is φ = 64066810.

The previous prime is 64066789. The next prime is 64066813. The reversal of 64066811 is 11866046.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64066811 - 2²² = 59872507 is a prime.

Together with 64066813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64066813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033405 + 32033406.

It is an arithmetic number, because the mean of its divisors is an integer number (32033406).

Almost surely, 2^64066811 is an apocalyptic number.

64066811 is a deficient number, since it is larger than the sum of its proper divisors (1).

64066811 is an equidigital number, since it uses as much as digits as its factorization.

64066811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 64066811 is about 8004.1745982956. The cubic root of 64066811 is about 400.1391411771.

The spelling of 64066811 in words is "sixty-four million, sixty-six thousand, eight hundred eleven".