143912111616 has 1120 divisors, whose sum is σ = 561037424640. Its totient is φ = 35795976192.

The previous prime is 143912111543. The next prime is 143912111657. The reversal of 143912111616 is 616111219341.

It is a happy number.

143912111616 is a `hidden beast` number, since 1 + 4 + 3 + 9 + 1 + 21 + 11 + 616 = 666.

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

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 645345681 + ... + 645345903.

It is an arithmetic number, because the mean of its divisors is an integer number (500926272).

Almost surely, 2^143912111616 is an apocalyptic number.

143912111616 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 143912111616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280518712320).

143912111616 is an abundant number, since it is smaller than the sum of its proper divisors (417125313024).

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

143912111616 is an equidigital number, since it uses as much as digits as its factorization.

143912111616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 267 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The spelling of 143912111616 in words is "one hundred forty-three billion, nine hundred twelve million, one hundred eleven thousand, six hundred sixteen".