63216 has 30 divisors (see below), whose sum is σ = 177320. Its totient is φ = 21024.

The previous prime is 63211. The next prime is 63241. The reversal of 63216 is 61236.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76 + ... + 363.

2⁶³²¹⁶ is an apocalyptic number.

It is an amenable number.

63216 is an abundant number, since it is smaller than the sum of its proper divisors (114104).

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

63216 is a wasteful number, since it uses less digits than its factorization.

63216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 444 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 63216 is about 251.4279220771. The cubic root of 63216 is about 39.8359951459.

The spelling of 63216 in words is "sixty-three thousand, two hundred sixteen".