64685606 has 8 divisors (see below), whose sum is σ = 97116024. Its totient is φ = 32313600.

The previous prime is 64685587. The next prime is 64685611. The reversal of 64685606 is 60658646.

64685606 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 a congruent number.

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, 11720 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (12139503).

Almost surely, 2^64685606 is an apocalyptic number.

64685606 is a deficient number, since it is larger than the sum of its proper divisors (32430418).

64685606 is a wasteful number, since it uses less digits than its factorization.

64685606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29206.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 64685606 is about 8042.7362259370. The cubic root of 64685606 is about 401.4232755436.

The spelling of 64685606 in words is "sixty-four million, six hundred eighty-five thousand, six hundred six".