557190668 has 12 divisors (see below), whose sum is σ = 976633392. Its totient is φ = 278152560.

The previous prime is 557190661. The next prime is 557190707. The reversal of 557190668 is 866091755.

It is a super-2 number, since 2×557190668² = 620922881012572448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557190661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107855 + ... + 112902.

It is an arithmetic number, because the mean of its divisors is an integer number (81386116).

Almost surely, 2^557190668 is an apocalyptic number.

It is an amenable number.

557190668 is a deficient number, since it is larger than the sum of its proper divisors (419442724).

557190668 is a wasteful number, since it uses less digits than its factorization.

557190668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221392 (or 221390 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 557190668 is about 23604.8865280052. The cubic root of 557190668 is about 822.8764083078.

The spelling of 557190668 in words is "five hundred fifty-seven million, one hundred ninety thousand, six hundred sixty-eight".