474611666 has 8 divisors (see below), whose sum is σ = 714688380. Its totient is φ = 236382208.

The previous prime is 474611653. The next prime is 474611689. The reversal of 474611666 is 666116474.

It can be written as a sum of positive squares in 2 ways, for example, as 474150625 + 461041 = 21775^2 + 679^2 .

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

It is a Curzon number.

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, 461171 + ... + 462198.

Almost surely, 2^474611666 is an apocalyptic number.

474611666 is a deficient number, since it is larger than the sum of its proper divisors (240076714).

474611666 is a wasteful number, since it uses less digits than its factorization.

474611666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923628.

The product of its digits is 145152, while the sum is 41.

The square root of 474611666 is about 21785.5839031227. The cubic root of 474611666 is about 780.0326887462.

The spelling of 474611666 in words is "four hundred seventy-four million, six hundred eleven thousand, six hundred sixty-six".