316669442 has 4 divisors (see below), whose sum is σ = 475004166. Its totient is φ = 158334720.

The previous prime is 316669417. The next prime is 316669459. The reversal of 316669442 is 244966613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244966613 = 97 ⋅2525429.

It can be written as a sum of positive squares in only one way, i.e., 289306081 + 27363361 = 17009^2 + 5231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 316669442.

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 as a sum of consecutive naturals, namely, 79167359 + ... + 79167362.

Almost surely, 2^316669442 is an apocalyptic number.

316669442 is a deficient number, since it is larger than the sum of its proper divisors (158334724).

316669442 is a wasteful number, since it uses less digits than its factorization.

316669442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158334723.

The product of its digits is 186624, while the sum is 41.

The square root of 316669442 is about 17795.2084000160. The cubic root of 316669442 is about 681.6091088537.

The spelling of 316669442 in words is "three hundred sixteen million, six hundred sixty-nine thousand, four hundred forty-two".