495984166 has 4 divisors (see below), whose sum is σ = 743976252. Its totient is φ = 247992082.

The previous prime is 495984157. The next prime is 495984169. The reversal of 495984166 is 661489594.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495984169) 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 as a sum of consecutive naturals, namely, 123996040 + ... + 123996043.

It is an arithmetic number, because the mean of its divisors is an integer number (185994063).

Almost surely, 2^495984166 is an apocalyptic number.

495984166 is a deficient number, since it is larger than the sum of its proper divisors (247992086).

495984166 is a wasteful number, since it uses less digits than its factorization.

495984166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247992085.

The product of its digits is 1866240, while the sum is 52.

The square root of 495984166 is about 22270.7019646889. The cubic root of 495984166 is about 791.5698985594.

The spelling of 495984166 in words is "four hundred ninety-five million, nine hundred eighty-four thousand, one hundred sixty-six".