63942168 has 64 divisors (see below), whose sum is σ = 172510560. Its totient is φ = 19675136.

The previous prime is 63942157. The next prime is 63942169. The reversal of 63942168 is 86124936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63942169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20146 + ... + 23102.

Almost surely, 2^63942168 is an apocalyptic number.

63942168 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63942168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86255280).

63942168 is an abundant number, since it is smaller than the sum of its proper divisors (108568392).

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

63942168 is a wasteful number, since it uses less digits than its factorization.

63942168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 3032 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 63942168 is about 7996.3846830927. The cubic root of 63942168 is about 399.8794803579.

The spelling of 63942168 in words is "sixty-three million, nine hundred forty-two thousand, one hundred sixty-eight".