63689116 has 12 divisors (see below), whose sum is σ = 116302032. Its totient is φ = 30459968.

The previous prime is 63689111. The next prime is 63689161. The reversal of 63689116 is 61198636.

It is a super-2 number, since 2×63689116² = 8112606993722912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63689111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346045 + ... + 346228.

It is an arithmetic number, because the mean of its divisors is an integer number (9691836).

Almost surely, 2^63689116 is an apocalyptic number.

It is an amenable number.

63689116 is a deficient number, since it is larger than the sum of its proper divisors (52612916).

63689116 is a wasteful number, since it uses less digits than its factorization.

63689116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692300 (or 692298 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 63689116 is about 7980.5460966027. The cubic root of 63689116 is about 399.3512734534.

The spelling of 63689116 in words is "sixty-three million, six hundred eighty-nine thousand, one hundred sixteen".