63443316 has 12 divisors (see below), whose sum is σ = 148034432. Its totient is φ = 21147768.

The previous prime is 63443309. The next prime is 63443321. The reversal of 63443316 is 61334436.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643460 + ... + 2643483.

Almost surely, 2^63443316 is an apocalyptic number.

It is an amenable number.

63443316 is an abundant number, since it is smaller than the sum of its proper divisors (84591116).

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

63443316 is a wasteful number, since it uses less digits than its factorization.

63443316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286950 (or 5286948 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 63443316 is about 7965.1312606887. The cubic root of 63443316 is about 398.8368627242.

The spelling of 63443316 in words is "sixty-three million, four hundred forty-three thousand, three hundred sixteen".