63896616 has 96 divisors (see below), whose sum is σ = 199967040. Its totient is φ = 18054144.

The previous prime is 63896579. The next prime is 63896617. The reversal of 63896616 is 61669836.

63896616 is a `hidden beast` number, since 638 + 9 + 6 + 6 + 1 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (63896617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48235 + ... + 49541.

It is an arithmetic number, because the mean of its divisors is an integer number (2082990).

Almost surely, 2^63896616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63896616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99983520).

63896616 is an abundant number, since it is smaller than the sum of its proper divisors (136070424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63896616 is a wasteful number, since it uses less digits than its factorization.

63896616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1416 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 63896616 is about 7993.5358884539. The cubic root of 63896616 is about 399.7845005875.

The spelling of 63896616 in words is "sixty-three million, eight hundred ninety-six thousand, six hundred sixteen".