636336016 has 20 divisors (see below), whose sum is σ = 1261574512. Its totient is φ = 310768416.

The previous prime is 636336007. The next prime is 636336047. The reversal of 636336016 is 610633636.

It is an unprimeable number.

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, 461766 + ... + 463141.

Almost surely, 2^636336016 is an apocalyptic number.

It is an amenable number.

636336016 is a deficient number, since it is larger than the sum of its proper divisors (625238496).

636336016 is a wasteful number, since it uses less digits than its factorization.

636336016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924958 (or 924952 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 34.

The square root of 636336016 is about 25225.7014966879. The cubic root of 636336016 is about 860.1261830353.

The spelling of 636336016 in words is "six hundred thirty-six million, three hundred thirty-six thousand, sixteen".