1223667000566 has 16 divisors (see below), whose sum is σ = 1951812208944. Its totient is φ = 573371860224.

The previous prime is 1223667000553. The next prime is 1223667000571. The reversal of 1223667000566 is 6650007663221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77224280 + ... + 77240123.

It is an arithmetic number, because the mean of its divisors is an integer number (121988263059).

Almost surely, 2^{1223667000566} is an apocalyptic number.

1223667000566 is a deficient number, since it is larger than the sum of its proper divisors (728145208378).

1223667000566 is a wasteful number, since it uses less digits than its factorization.

1223667000566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154464655.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 1223667000566 in words is "one trillion, two hundred twenty-three billion, six hundred sixty-seven million, five hundred sixty-six", and thus it is an aban number.