557046666 has 32 divisors (see below), whose sum is σ = 1350417600. Its totient is φ = 168801840.

The previous prime is 557046631. The next prime is 557046689. The reversal of 557046666 is 666640755.

557046666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468301 + ... + 469488.

It is an arithmetic number, because the mean of its divisors is an integer number (42200550).

Almost surely, 2^557046666 is an apocalyptic number.

557046666 is an abundant number, since it is smaller than the sum of its proper divisors (793370934).

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

557046666 is a wasteful number, since it uses less digits than its factorization.

557046666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937811 (or 937805 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 557046666 is about 23601.8360726449. The cubic root of 557046666 is about 822.8055133312.

The spelling of 557046666 in words is "five hundred fifty-seven million, forty-six thousand, six hundred sixty-six".