223409296866 has 16 divisors (see below), whose sum is σ = 510649821504. Its totient is φ = 63831227664.

The previous prime is 223409296861. The next prime is 223409296867. The reversal of 223409296866 is 668692904322.

It is not an unprimeable number, because it can be changed into a prime (223409296861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659634445 + ... + 2659634528.

It is an arithmetic number, because the mean of its divisors is an integer number (31915613844).

Almost surely, 2^223409296866 is an apocalyptic number.

223409296866 is an abundant number, since it is smaller than the sum of its proper divisors (287240524638).

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

223409296866 is a wasteful number, since it uses less digits than its factorization.

223409296866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319268985.

The product of its (nonzero) digits is 13436928, while the sum is 57.

The spelling of 223409296866 in words is "two hundred twenty-three billion, four hundred nine million, two hundred ninety-six thousand, eight hundred sixty-six".