555566666344 has 16 divisors (see below), whose sum is σ = 1041707008800. Its totient is φ = 277778130672.

The previous prime is 555566666309. The next prime is 555566666353. The reversal of 555566666344 is 443666665555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176124 + ... + 1068715.

It is an arithmetic number, because the mean of its divisors is an integer number (65106688050).

Almost surely, 2^555566666344 is an apocalyptic number.

It is an amenable number.

555566666344 is a deficient number, since it is larger than the sum of its proper divisors (486140342456).

555566666344 is a wasteful number, since it uses less digits than its factorization.

555566666344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300632 (or 1300628 counting only the distinct ones).

The product of its digits is 233280000, while the sum is 61.

The spelling of 555566666344 in words is "five hundred fifty-five billion, five hundred sixty-six million, six hundred sixty-six thousand, three hundred forty-four".