16056231312 has 80 divisors (see below), whose sum is σ = 45443930688. Its totient is φ = 4844605440.

The previous prime is 16056231307. The next prime is 16056231377. The reversal of 16056231312 is 21313265061.

It is a self number, because there is not a number n which added to its sum of digits gives 16056231312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57768 + ... + 188280.

Almost surely, 2^16056231312 is an apocalyptic number.

16056231312 is a gapful number since it is divisible by the number (12) 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 16056231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22721965344).

16056231312 is an abundant number, since it is smaller than the sum of its proper divisors (29387699376).

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

16056231312 is a wasteful number, since it uses less digits than its factorization.

16056231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130768 (or 130762 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 16056231312 its reverse (21313265061), we get a palindrome (37369496373).

The spelling of 16056231312 in words is "sixteen billion, fifty-six million, two hundred thirty-one thousand, three hundred twelve".