66676606 has 8 divisors (see below), whose sum is σ = 100686600. Its totient is φ = 33114408.

The previous prime is 66676583. The next prime is 66676613. The reversal of 66676606 is 60667666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111576 + ... + 112171.

It is an arithmetic number, because the mean of its divisors is an integer number (12585825).

Almost surely, 2^66676606 is an apocalyptic number.

66676606 is a deficient number, since it is larger than the sum of its proper divisors (34009994).

66676606 is a wasteful number, since it uses less digits than its factorization.

66676606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223898.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 66676606 is about 8165.5744439690. The cubic root of 66676606 is about 405.5002830479.

It can be divided in two parts, 6667660 and 6, that added together give a palindrome (6667666).

The spelling of 66676606 in words is "sixty-six million, six hundred seventy-six thousand, six hundred six".