223651664010 has 24 divisors (see below), whose sum is σ = 581494326660. Its totient is φ = 59640443712.

The previous prime is 223651663943. The next prime is 223651664069. The reversal of 223651664010 is 10466156322.

223651664010 is a `hidden beast` number, since 2 + 2 + 3 + 6 + 5 + 1 + 6 + 640 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 220061377449 + 3590286561 = 469107^2 + 59919^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1242509155 + ... + 1242509334.

Almost surely, 2^223651664010 is an apocalyptic number.

223651664010 is an abundant number, since it is smaller than the sum of its proper divisors (357842662650).

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

223651664010 is a wasteful number, since it uses less digits than its factorization.

223651664010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485018502 (or 2485018499 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 223651664010 in words is "two hundred twenty-three billion, six hundred fifty-one million, six hundred sixty-four thousand, ten".