64411666 has 8 divisors (see below), whose sum is σ = 105400944. Its totient is φ = 29278020.

The previous prime is 64411651. The next prime is 64411679. The reversal of 64411666 is 66611446.

64411666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463880 + ... + 1463923.

It is an arithmetic number, because the mean of its divisors is an integer number (13175118).

Almost surely, 2^64411666 is an apocalyptic number.

64411666 is a deficient number, since it is larger than the sum of its proper divisors (40989278).

64411666 is a wasteful number, since it uses less digits than its factorization.

64411666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927816.

The product of its digits is 20736, while the sum is 34.

The square root of 64411666 is about 8025.6878832908. The cubic root of 64411666 is about 400.8558051879.

The spelling of 64411666 in words is "sixty-four million, four hundred eleven thousand, six hundred sixty-six".