64504666 has 8 divisors (see below), whose sum is σ = 97162560. Its totient is φ = 32117148.

The previous prime is 64504637. The next prime is 64504679. The reversal of 64504666 is 66640546.

64504666 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, 66996 + ... + 67951.

It is an arithmetic number, because the mean of its divisors is an integer number (12145320).

Almost surely, 2^64504666 is an apocalyptic number.

64504666 is a deficient number, since it is larger than the sum of its proper divisors (32657894).

64504666 is a wasteful number, since it uses less digits than its factorization.

64504666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135188.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 64504666 is about 8031.4796893225. The cubic root of 64504666 is about 401.0486360040.

The spelling of 64504666 in words is "sixty-four million, five hundred four thousand, six hundred sixty-six".