636064606 has 8 divisors (see below), whose sum is σ = 954846720. Its totient is φ = 317782368.

The previous prime is 636064601. The next prime is 636064679. The reversal of 636064606 is 606460636.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636064601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121771 + ... + 126886.

It is an arithmetic number, because the mean of its divisors is an integer number (119355840).

Almost surely, 2^636064606 is an apocalyptic number.

636064606 is a deficient number, since it is larger than the sum of its proper divisors (318782114).

636064606 is a wasteful number, since it uses less digits than its factorization.

636064606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249938.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 636064606 is about 25220.3212905784. The cubic root of 636064606 is about 860.0038786557.

The spelling of 636064606 in words is "six hundred thirty-six million, sixty-four thousand, six hundred six".