16312057344 has 560 divisors, whose sum is σ = 55549145520. Its totient is φ = 4737761280.

The previous prime is 16312057343. The next prime is 16312057357. The reversal of 16312057344 is 44375021361.

16312057344 is a `hidden beast` number, since 1 + 63 + 1 + 20 + 573 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16312057299 and 16312057308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16312057343) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 119066044 + ... + 119066180.

Almost surely, 2^16312057344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16312057344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27774572760).

16312057344 is an abundant number, since it is smaller than the sum of its proper divisors (39237088176).

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

16312057344 is an equidigital number, since it uses as much as digits as its factorization.

16312057344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 16312057344 in words is "sixteen billion, three hundred twelve million, fifty-seven thousand, three hundred forty-four".