608608666 has 8 divisors (see below), whose sum is σ = 921776544. Its totient is φ = 301349820.

The previous prime is 608608661. The next prime is 608608667. The reversal of 608608666 is 666806806.

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

It is not an unprimeable number, because it can be changed into a prime (608608661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477000 + ... + 1477411.

It is an arithmetic number, because the mean of its divisors is an integer number (115222068).

Almost surely, 2^608608666 is an apocalyptic number.

608608666 is a deficient number, since it is larger than the sum of its proper divisors (313167878).

608608666 is a wasteful number, since it uses less digits than its factorization.

608608666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954516.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 608608666 is about 24669.9952573972. The cubic root of 608608666 is about 847.4473201332.

The spelling of 608608666 in words is "six hundred eight million, six hundred eight thousand, six hundred sixty-six".