169446143328 has 96 divisors (see below), whose sum is σ = 554551038720. Its totient is φ = 44011983360.

The previous prime is 169446143323. The next prime is 169446143351. The reversal of 169446143328 is 823341644961.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169446143323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11454063 + ... + 11468846.

It is an arithmetic number, because the mean of its divisors is an integer number (5776573320).

Almost surely, 2^169446143328 is an apocalyptic number.

It is an amenable number.

169446143328 is an abundant number, since it is smaller than the sum of its proper divisors (385104895392).

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

169446143328 is a wasteful number, since it uses less digits than its factorization.

169446143328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22922940 (or 22922932 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The spelling of 169446143328 in words is "one hundred sixty-nine billion, four hundred forty-six million, one hundred forty-three thousand, three hundred twenty-eight".