63381316 has 12 divisors (see below), whose sum is σ = 110991888. Its totient is φ = 31669352.

The previous prime is 63381299. The next prime is 63381317. The reversal of 63381316 is 61318336.

It is not an unprimeable number, because it can be changed into a prime (63381317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2715 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (9249324).

Almost surely, 2^63381316 is an apocalyptic number.

It is an amenable number.

63381316 is a deficient number, since it is larger than the sum of its proper divisors (47610572).

63381316 is a wasteful number, since it uses less digits than its factorization.

63381316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658 (or 10656 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 63381316 is about 7961.2383458856. The cubic root of 63381316 is about 398.7068992306.

The spelling of 63381316 in words is "sixty-three million, three hundred eighty-one thousand, three hundred sixteen".