63118320 has 80 divisors (see below), whose sum is σ = 196883232. Its totient is φ = 16727040.

The previous prime is 63118313. The next prime is 63118333. The reversal of 63118320 is 2381136.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42714 + ... + 44166.

Almost surely, 2^63118320 is an apocalyptic number.

63118320 is a gapful number since it is divisible by the number (60) 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 63118320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98441616).

63118320 is an abundant number, since it is smaller than the sum of its proper divisors (133764912).

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

63118320 is a wasteful number, since it uses less digits than its factorization.

63118320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 63118320 is about 7944.7038963073. The cubic root of 63118320 is about 398.1546666198.

Adding to 63118320 its reverse (2381136), we get a palindrome (65499456).

The spelling of 63118320 in words is "sixty-three million, one hundred eighteen thousand, three hundred twenty".