316386981645 has 16 divisors (see below), whose sum is σ = 578536195200. Its totient is φ = 144634048704.

The previous prime is 316386981643. The next prime is 316386981667. The reversal of 316386981645 is 546189683613.

It is not a de Polignac number, because 316386981645 - 2¹ = 316386981643 is a prime.

It is a super-3 number, since 3×316386981645³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316386981643) 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 15 ways as a sum of consecutive naturals, for example, 1506604570 + ... + 1506604779.

It is an arithmetic number, because the mean of its divisors is an integer number (36158512200).

Almost surely, 2^316386981645 is an apocalyptic number.

316386981645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

316386981645 is a deficient number, since it is larger than the sum of its proper divisors (262149213555).

316386981645 is a wasteful number, since it uses less digits than its factorization.

316386981645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013209364.

The product of its digits is 22394880, while the sum is 60.

The spelling of 316386981645 in words is "three hundred sixteen billion, three hundred eighty-six million, nine hundred eighty-one thousand, six hundred forty-five".