316408124672 has 72 divisors (see below), whose sum is σ = 636160464576. Its totient is φ = 157060837376.

The previous prime is 316408124671. The next prime is 316408124687. The reversal of 316408124672 is 276421804613.

It is a happy number.

It is a super-2 number, since 2×316408124672² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316408124671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20690213 + ... + 20705499.

It is an arithmetic number, because the mean of its divisors is an integer number (8835562008).

Almost surely, 2^316408124672 is an apocalyptic number.

316408124672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316408124672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318080232288).

316408124672 is an abundant number, since it is smaller than the sum of its proper divisors (319752339904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316408124672 is a wasteful number, since it uses less digits than its factorization.

316408124672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15883 (or 15869 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 316408124672 in words is "three hundred sixteen billion, four hundred eight million, one hundred twenty-four thousand, six hundred seventy-two".