63211016 has 64 divisors (see below), whose sum is σ = 133954560. Its totient is φ = 27720000.

The previous prime is 63211013. The next prime is 63211069. The reversal of 63211016 is 61011236.

It is not an unprimeable number, because it can be changed into a prime (63211013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418541 + ... + 418691.

It is an arithmetic number, because the mean of its divisors is an integer number (2093040).

Almost surely, 2^63211016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63211016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66977280).

63211016 is an abundant number, since it is smaller than the sum of its proper divisors (70743544).

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

63211016 is a wasteful number, since it uses less digits than its factorization.

63211016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 63211016 is about 7950.5355794437. The cubic root of 63211016 is about 398.3494821780.

It can be divided in two parts, 6321 and 1016, that added together give a palindrome (7337).

The spelling of 63211016 in words is "sixty-three million, two hundred eleven thousand, sixteen".