63418016 has 12 divisors (see below), whose sum is σ = 124854282. Its totient is φ = 31708992.

The previous prime is 63418013. The next prime is 63418031. The reversal of 63418016 is 61081436.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 1008016 = 7900^2 + 1004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63418016.

It is not an unprimeable number, because it can be changed into a prime (63418013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990875 + ... + 990938.

Almost surely, 2^63418016 is an apocalyptic number.

It is an amenable number.

63418016 is a deficient number, since it is larger than the sum of its proper divisors (61436266).

63418016 is a wasteful number, since it uses less digits than its factorization.

63418016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981823 (or 1981815 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 63418016 is about 7963.5429301285. The cubic root of 63418016 is about 398.7838394646.

The spelling of 63418016 in words is "sixty-three million, four hundred eighteen thousand, sixteen".