497165866 has 16 divisors (see below), whose sum is σ = 750539520. Its totient is φ = 246990880.

The previous prime is 497165857. The next prime is 497165869. The reversal of 497165866 is 668561794.

It is not an unprimeable number, because it can be changed into a prime (497165869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344775 + ... + 346213.

It is an arithmetic number, because the mean of its divisors is an integer number (46908720).

Almost surely, 2^497165866 is an apocalyptic number.

497165866 is a deficient number, since it is larger than the sum of its proper divisors (253373654).

497165866 is a wasteful number, since it uses less digits than its factorization.

497165866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its digits is 2177280, while the sum is 52.

The square root of 497165866 is about 22297.2165527449. The cubic root of 497165866 is about 792.1980478175.

The spelling of 497165866 in words is "four hundred ninety-seven million, one hundred sixty-five thousand, eight hundred sixty-six".