16143946896 has 240 divisors, whose sum is σ = 54752120640. Its totient is φ = 4048450560.

The previous prime is 16143946891. The next prime is 16143946909. The reversal of 16143946896 is 69864934161.

It is a super-3 number, since 3×16143946896³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16143946891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739530 + ... + 761046.

It is an arithmetic number, because the mean of its divisors is an integer number (228133836).

Almost surely, 2^16143946896 is an apocalyptic number.

16143946896 is a gapful number since it is divisible by the number (16) 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 16143946896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27376060320).

16143946896 is an abundant number, since it is smaller than the sum of its proper divisors (38608173744).

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

16143946896 is a wasteful number, since it uses less digits than its factorization.

16143946896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21582 (or 21569 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

It can be divided in two parts, 161439 and 46896, that added together give a triangular number (208335 = T₆₄₅).

The spelling of 16143946896 in words is "sixteen billion, one hundred forty-three million, nine hundred forty-six thousand, eight hundred ninety-six".