63566222610 has 128 divisors (see below), whose sum is σ = 174218231808. Its totient is φ = 14702688000.

The previous prime is 63566222609. The next prime is 63566222611. The reversal of 63566222610 is 1622266536.

It is an interprime number because it is at equal distance from previous prime (63566222609) and next prime (63566222611).

It is not an unprimeable number, because it can be changed into a prime (63566222611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 682572 + ... + 770088.

It is an arithmetic number, because the mean of its divisors is an integer number (1361079936).

Almost surely, 2^63566222610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63566222610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87109115904).

63566222610 is an abundant number, since it is smaller than the sum of its proper divisors (110652009198).

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

63566222610 is a wasteful number, since it uses less digits than its factorization.

63566222610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87640.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 63566222610 in words is "sixty-three billion, five hundred sixty-six million, two hundred twenty-two thousand, six hundred ten".