316662061 has 2 divisors, whose sum is σ = 316662062. Its totient is φ = 316662060.

The previous prime is 316662013. The next prime is 316662083. The reversal of 316662061 is 160266613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316662025 + 36 = 17795^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 316662061 - 2²³ = 308273453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316662161) by changing a digit.

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, 158331030 + 158331031.

It is an arithmetic number, because the mean of its divisors is an integer number (158331031).

Almost surely, 2^316662061 is an apocalyptic number.

It is an amenable number.

316662061 is a deficient number, since it is larger than the sum of its proper divisors (1).

316662061 is an equidigital number, since it uses as much as digits as its factorization.

316662061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 316662061 is about 17795.0010115201. The cubic root of 316662061 is about 681.6038131149.

The spelling of 316662061 in words is "three hundred sixteen million, six hundred sixty-two thousand, sixty-one".