16056143563544 has 96 divisors (see below), whose sum is σ = 35307000046080. Its totient is φ = 6824926273536.

The previous prime is 16056143563541. The next prime is 16056143563571. The reversal of 16056143563544 is 44536534165061.

It is a super-2 number, since 2×16056143563544² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16056143563541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167873624 + ... + 167969240.

It is an arithmetic number, because the mean of its divisors is an integer number (367781250480).

Almost surely, 2^{16056143563544} is an apocalyptic number.

16056143563544 is a gapful number since it is divisible by the number (14) 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 16056143563544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17653500023040).

16056143563544 is an abundant number, since it is smaller than the sum of its proper divisors (19250856482536).

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

16056143563544 is a wasteful number, since it uses less digits than its factorization.

16056143563544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99137 (or 99126 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 16056143563544 in words is "sixteen trillion, fifty-six billion, one hundred forty-three million, five hundred sixty-three thousand, five hundred forty-four".