316406407385 has 16 divisors (see below), whose sum is σ = 386698231872. Its totient is φ = 248468337600.

The previous prime is 316406407381. The next prime is 316406407399. The reversal of 316406407385 is 583704604613.

It is not a de Polignac number, because 316406407385 - 2² = 316406407381 is a prime.

It is a super-2 number, since 2×316406407385² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316406407381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906659 + ... + 1206168.

It is an arithmetic number, because the mean of its divisors is an integer number (24168639492).

Almost surely, 2^316406407385 is an apocalyptic number.

It is an amenable number.

316406407385 is a deficient number, since it is larger than the sum of its proper divisors (70291824487).

316406407385 is a wasteful number, since it uses less digits than its factorization.

316406407385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113384.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 316406407385 in words is "three hundred sixteen billion, four hundred six million, four hundred seven thousand, three hundred eighty-five".