314248666 has 4 divisors (see below), whose sum is σ = 471373002. Its totient is φ = 157124332.

The previous prime is 314248651. The next prime is 314248679. The reversal of 314248666 is 666842413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 298080225 + 16168441 = 17265^2 + 4021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78562165 + ... + 78562168.

Almost surely, 2^314248666 is an apocalyptic number.

314248666 is a deficient number, since it is larger than the sum of its proper divisors (157124336).

314248666 is a wasteful number, since it uses less digits than its factorization.

314248666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157124335.

The product of its digits is 165888, while the sum is 40.

The square root of 314248666 is about 17727.0602751838. The cubic root of 314248666 is about 679.8678131175.

The spelling of 314248666 in words is "three hundred fourteen million, two hundred forty-eight thousand, six hundred sixty-six".