316127666 has 8 divisors (see below), whose sum is σ = 490543020. Its totient is φ = 152613328.

The previous prime is 316127639. The next prime is 316127761. The reversal of 316127666 is 666721613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 315808441 + 319225 = 17771^2 + 565^2 .

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725181 + ... + 2725296.

Almost surely, 2^316127666 is an apocalyptic number.

316127666 is a deficient number, since it is larger than the sum of its proper divisors (174415354).

316127666 is a wasteful number, since it uses less digits than its factorization.

316127666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450508.

The product of its digits is 54432, while the sum is 38.

The square root of 316127666 is about 17779.9793588182. The cubic root of 316127666 is about 681.2201751553.

The spelling of 316127666 in words is "three hundred sixteen million, one hundred twenty-seven thousand, six hundred sixty-six".