323664031666 has 8 divisors (see below), whose sum is σ = 494656350444. Its totient is φ = 158778581520.

The previous prime is 323664031651. The next prime is 323664031777. The reversal of 323664031666 is 666130466323.

It can be written as a sum of positive squares in 2 ways, for example, as 322827376041 + 836655625 = 568179^2 + 28925^2 .

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

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, 1526717025 + ... + 1526717236.

Almost surely, 2^323664031666 is an apocalyptic number.

323664031666 is a deficient number, since it is larger than the sum of its proper divisors (170992318778).

323664031666 is a wasteful number, since it uses less digits than its factorization.

323664031666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053434316.

The product of its (nonzero) digits is 1679616, while the sum is 46.

Adding to 323664031666 its reverse (666130466323), we get a palindrome (989794497989).

The spelling of 323664031666 in words is "three hundred twenty-three billion, six hundred sixty-four million, thirty-one thousand, six hundred sixty-six".