502005666 has 8 divisors (see below), whose sum is σ = 1004011344. Its totient is φ = 167335220.

The previous prime is 502005643. The next prime is 502005703. The reversal of 502005666 is 666500205.

It is a sphenic number, since it is the product of 3 distinct primes.

502005666 is an admirable number.

It is a super-2 number, since 2×502005666² = 504019377392207112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41833800 + ... + 41833811.

It is an arithmetic number, because the mean of its divisors is an integer number (125501418).

Almost surely, 2^502005666 is an apocalyptic number.

502005666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

502005666 is a wasteful number, since it uses less digits than its factorization.

502005666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83667616.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 502005666 is about 22405.4829450293. The cubic root of 502005666 is about 794.7603755481.

The spelling of 502005666 in words is "five hundred two million, five thousand, six hundred sixty-six".