494277666 has 32 divisors (see below), whose sum is σ = 1043808000. Its totient is φ = 155604240.

The previous prime is 494277661. The next prime is 494277677. The reversal of 494277666 is 666772494.

It is a super-3 number, since 3×494277666³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494277661) 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 15 ways as a sum of consecutive naturals, for example, 31185 + ... + 44283.

It is an arithmetic number, because the mean of its divisors is an integer number (32619000).

Almost surely, 2^494277666 is an apocalyptic number.

494277666 is an abundant number, since it is smaller than the sum of its proper divisors (549530334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494277666 is a wasteful number, since it uses less digits than its factorization.

494277666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454.

The product of its digits is 3048192, while the sum is 51.

The square root of 494277666 is about 22232.3562853783. The cubic root of 494277666 is about 790.6610212796.

The spelling of 494277666 in words is "four hundred ninety-four million, two hundred seventy-seven thousand, six hundred sixty-six".