143216509920 has 288 divisors, whose sum is σ = 498429306144. Its totient is φ = 34540154880.

The previous prime is 143216509913. The next prime is 143216509921. The reversal of 143216509920 is 29905612341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143216509921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11435502 + ... + 11448018.

It is an arithmetic number, because the mean of its divisors is an integer number (1730657313).

Almost surely, 2^143216509920 is an apocalyptic number.

143216509920 is a gapful number since it is divisible by the number (10) 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 143216509920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249214653072).

143216509920 is an abundant number, since it is smaller than the sum of its proper divisors (355212796224).

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

143216509920 is a wasteful number, since it uses less digits than its factorization.

143216509920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754 (or 12735 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 143216509920 in words is "one hundred forty-three billion, two hundred sixteen million, five hundred nine thousand, nine hundred twenty".