63668592 has 100 divisors (see below), whose sum is σ = 198502920. Its totient is φ = 19585152.

The previous prime is 63668581. The next prime is 63668593. The reversal of 63668592 is 29586636.

It is a happy number.

63668592 is a `hidden beast` number, since 636 + 6 + 8 + 5 + 9 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63668593) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14959 + ... + 18737.

Almost surely, 2^63668592 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 63668592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99251460).

63668592 is an abundant number, since it is smaller than the sum of its proper divisors (134834328).

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

63668592 is a wasteful number, since it uses less digits than its factorization.

63668592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812 (or 3797 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 63668592 is about 7979.2601160759. The cubic root of 63668592 is about 399.3083714809.

The spelling of 63668592 in words is "sixty-three million, six hundred sixty-eight thousand, five hundred ninety-two".