493722166 has 32 divisors (see below), whose sum is σ = 862569792. Its totient is φ = 207567360.

The previous prime is 493722161. The next prime is 493722179. The reversal of 493722166 is 661227394.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493722161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526450 + ... + 527386.

It is an arithmetic number, because the mean of its divisors is an integer number (26955306).

Almost surely, 2^493722166 is an apocalyptic number.

493722166 is a deficient number, since it is larger than the sum of its proper divisors (368847626).

493722166 is a wasteful number, since it uses less digits than its factorization.

493722166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its digits is 108864, while the sum is 40.

The square root of 493722166 is about 22219.8597205293. The cubic root of 493722166 is about 790.3647122288.

The spelling of 493722166 in words is "four hundred ninety-three million, seven hundred twenty-two thousand, one hundred sixty-six".