63522066 has 16 divisors (see below), whose sum is σ = 127166688. Its totient is φ = 21153600.

The previous prime is 63522029. The next prime is 63522071. The reversal of 63522066 is 66022536.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 2506 + ... + 11546.

It is an arithmetic number, because the mean of its divisors is an integer number (7947918).

Almost surely, 2^63522066 is an apocalyptic number.

63522066 is an abundant number, since it is smaller than the sum of its proper divisors (63644622).

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

63522066 is a wasteful number, since it uses less digits than its factorization.

63522066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 63522066 is about 7970.0731489742. The cubic root of 63522066 is about 399.0018153070.

The spelling of 63522066 in words is "sixty-three million, five hundred twenty-two thousand, sixty-six".