63623168 has 78 divisors (see below), whose sum is σ = 148470066. Its totient is φ = 27181056.

The previous prime is 63623167. The next prime is 63623179. The reversal of 63623168 is 86132636.

It can be written as a sum of positive squares in only one way, i.e., 39337984 + 24285184 = 6272^2 + 4928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63623167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200546 + ... + 200862.

Almost surely, 2^63623168 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 63623168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74235033).

63623168 is an abundant number, since it is smaller than the sum of its proper divisors (84846898).

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

63623168 is an equidigital number, since it uses as much as digits as its factorization.

63623168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 326 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 63623168 is about 7976.4132290147. The cubic root of 63623168 is about 399.2133874491.

The spelling of 63623168 in words is "sixty-three million, six hundred twenty-three thousand, one hundred sixty-eight".