63289916 has 6 divisors (see below), whose sum is σ = 110757360. Its totient is φ = 31644956.

The previous prime is 63289909. The next prime is 63289921. The reversal of 63289916 is 61998236.

It is a super-2 number, since 2×63289916² = 8011226934574112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7911236 + ... + 7911243.

It is an arithmetic number, because the mean of its divisors is an integer number (18459560).

Almost surely, 2^63289916 is an apocalyptic number.

It is an amenable number.

63289916 is a deficient number, since it is larger than the sum of its proper divisors (47467444).

63289916 is a wasteful number, since it uses less digits than its factorization.

63289916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822483 (or 15822481 counting only the distinct ones).

The product of its digits is 139968, while the sum is 44.

The square root of 63289916 is about 7955.4959619121. The cubic root of 63289916 is about 398.5151532288.

The spelling of 63289916 in words is "sixty-three million, two hundred eighty-nine thousand, nine hundred sixteen".