63216546 has 8 divisors (see below), whose sum is σ = 126433104. Its totient is φ = 21072180.

The previous prime is 63216541. The next prime is 63216583. The reversal of 63216546 is 64561236.

63216546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

63216546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63216541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5268040 + ... + 5268051.

It is an arithmetic number, because the mean of its divisors is an integer number (15804138).

Almost surely, 2^63216546 is an apocalyptic number.

63216546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63216546 is a wasteful number, since it uses less digits than its factorization.

63216546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536096.

The product of its digits is 25920, while the sum is 33.

The square root of 63216546 is about 7950.8833471508. The cubic root of 63216546 is about 398.3610983411.

The spelling of 63216546 in words is "sixty-three million, two hundred sixteen thousand, five hundred forty-six".