316042666 has 16 divisors (see below), whose sum is σ = 480359880. Its totient is φ = 155934720.

The previous prime is 316042663. The next prime is 316042679. The reversal of 316042666 is 666240613.

It can be written as a sum of positive squares in 4 ways, for example, as 272943441 + 43099225 = 16521^2 + 6565^2 .

It is not an unprimeable number, because it can be changed into a prime (316042663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53206 + ... + 58846.

Almost surely, 2^316042666 is an apocalyptic number.

316042666 is a deficient number, since it is larger than the sum of its proper divisors (164317214).

316042666 is a wasteful number, since it uses less digits than its factorization.

316042666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 316042666 is about 17777.5888691352. The cubic root of 316042666 is about 681.1591144810.

The spelling of 316042666 in words is "three hundred sixteen million, forty-two thousand, six hundred sixty-six".