557164187 has 2 divisors, whose sum is σ = 557164188. Its totient is φ = 557164186.

The previous prime is 557164163. The next prime is 557164207. The reversal of 557164187 is 781461755.

557164187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557164187 - 2²⁴ = 540386971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557154187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278582093 + 278582094.

It is an arithmetic number, because the mean of its divisors is an integer number (278582094).

Almost surely, 2^557164187 is an apocalyptic number.

557164187 is a deficient number, since it is larger than the sum of its proper divisors (1).

557164187 is an equidigital number, since it uses as much as digits as its factorization.

557164187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 44.

The square root of 557164187 is about 23604.3255993473. The cubic root of 557164187 is about 822.8633721147.

The spelling of 557164187 in words is "five hundred fifty-seven million, one hundred sixty-four thousand, one hundred eighty-seven".