331364662604666 has 8 divisors (see below), whose sum is σ = 510480696445140. Its totient is φ = 161204430456288.

The previous prime is 331364662604623. The next prime is 331364662604681. The reversal of 331364662604666 is 666406266463133.

It can be written as a sum of positive squares in 2 ways, for example, as 319117315461025 + 12247347143641 = 17863855^2 + 3499621^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 331364662604599 and 331364662604608.

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, 2238950422931 + ... + 2238950423078.

Almost surely, 2^{331364662604666} is an apocalyptic number.

331364662604666 is a deficient number, since it is larger than the sum of its proper divisors (179116033840474).

331364662604666 is a wasteful number, since it uses less digits than its factorization.

331364662604666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477900846048.

The product of its (nonzero) digits is 241864704, while the sum is 62.

The spelling of 331364662604666 in words is "three hundred thirty-one trillion, three hundred sixty-four billion, six hundred sixty-two million, six hundred four thousand, six hundred sixty-six".