316066639 has 8 divisors (see below), whose sum is σ = 362206208. Its totient is φ = 270173880.

The previous prime is 316066637. The next prime is 316066649. The reversal of 316066639 is 936660613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316066639 - 2¹ = 316066637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316066633) 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 in 7 ways as a sum of consecutive naturals, for example, 58947 + ... + 64084.

It is an arithmetic number, because the mean of its divisors is an integer number (45275776).

Almost surely, 2^316066639 is an apocalyptic number.

316066639 is a deficient number, since it is larger than the sum of its proper divisors (46139569).

316066639 is a wasteful number, since it uses less digits than its factorization.

316066639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123405.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 316066639 is about 17778.2631041393. The cubic root of 316066639 is about 681.1763368546.

The spelling of 316066639 in words is "three hundred sixteen million, sixty-six thousand, six hundred thirty-nine".