63664514 has 8 divisors (see below), whose sum is σ = 98577408. Its totient is φ = 30805380.

The previous prime is 63664487. The next prime is 63664537. The reversal of 63664514 is 41546636.

63664514 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 Curzon 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, 513362 + ... + 513485.

It is an arithmetic number, because the mean of its divisors is an integer number (12322176).

Almost surely, 2^63664514 is an apocalyptic number.

63664514 is a deficient number, since it is larger than the sum of its proper divisors (34912894).

63664514 is a wasteful number, since it uses less digits than its factorization.

63664514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026880.

The product of its digits is 51840, while the sum is 35.

The square root of 63664514 is about 7979.0045745068. The cubic root of 63664514 is about 399.2998460094.

The spelling of 63664514 in words is "sixty-three million, six hundred sixty-four thousand, five hundred fourteen".