221648876130 has 64 divisors (see below), whose sum is σ = 581017795200. Its totient is φ = 53668177920.

The previous prime is 221648876129. The next prime is 221648876159. The reversal of 221648876130 is 31678846122.

It is a self number, because there is not a number n which added to its sum of digits gives 221648876130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131535 + ... + 678674.

It is an arithmetic number, because the mean of its divisors is an integer number (9078403050).

Almost surely, 2^221648876130 is an apocalyptic number.

221648876130 is an abundant number, since it is smaller than the sum of its proper divisors (359368919070).

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

221648876130 is a wasteful number, since it uses less digits than its factorization.

221648876130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811059.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 221648876130 in words is "two hundred twenty-one billion, six hundred forty-eight million, eight hundred seventy-six thousand, one hundred thirty".