316665541867 has 4 divisors (see below), whose sum is σ = 316689369976. Its totient is φ = 316641713760.

The previous prime is 316665541853. The next prime is 316665541877. The reversal of 316665541867 is 768145566613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768145566613 = 23 ⋅33397633331.

It is a cyclic number.

It is not a de Polignac number, because 316665541867 - 2¹⁹ = 316665017579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316665541837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11894109 + ... + 11920702.

It is an arithmetic number, because the mean of its divisors is an integer number (79172342494).

Almost surely, 2^316665541867 is an apocalyptic number.

316665541867 is a deficient number, since it is larger than the sum of its proper divisors (23828109).

316665541867 is a wasteful number, since it uses less digits than its factorization.

316665541867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23828108.

The product of its digits is 21772800, while the sum is 58.

The spelling of 316665541867 in words is "three hundred sixteen billion, six hundred sixty-five million, five hundred forty-one thousand, eight hundred sixty-seven".