64406611 has 2 divisors, whose sum is σ = 64406612. Its totient is φ = 64406610.

The previous prime is 64406579. The next prime is 64406627. The reversal of 64406611 is 11660446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64406611 - 2⁵ = 64406579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64406611.

It is not a weakly prime, because it can be changed into another prime (64406681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32203305 + 32203306.

It is an arithmetic number, because the mean of its divisors is an integer number (32203306).

Almost surely, 2^64406611 is an apocalyptic number.

64406611 is a deficient number, since it is larger than the sum of its proper divisors (1).

64406611 is an equidigital number, since it uses as much as digits as its factorization.

64406611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 64406611 is about 8025.3729508354. The cubic root of 64406611 is about 400.8453185828.

The spelling of 64406611 in words is "sixty-four million, four hundred six thousand, six hundred eleven".