506656166 has 8 divisors (see below), whose sum is σ = 799983480. Its totient is φ = 239995008.

The previous prime is 506656141. The next prime is 506656169. The reversal of 506656166 is 661656605.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506656169) 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 3 ways as a sum of consecutive naturals, for example, 6666491 + ... + 6666566.

It is an arithmetic number, because the mean of its divisors is an integer number (99997935).

Almost surely, 2^506656166 is an apocalyptic number.

506656166 is a deficient number, since it is larger than the sum of its proper divisors (293327314).

506656166 is a wasteful number, since it uses less digits than its factorization.

506656166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333078.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 506656166 is about 22509.0241014576. The cubic root of 506656166 is about 797.2070135057.

The spelling of 506656166 in words is "five hundred six million, six hundred fifty-six thousand, one hundred sixty-six".