16532155342144 has 112 divisors (see below), whose sum is σ = 35386344660240. Its totient is φ = 7617965506560.

The previous prime is 16532155342103. The next prime is 16532155342193. The reversal of 16532155342144 is 44124355123561.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2940840852544 + 13591314489600 = 1714888^2 + 3686640^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16532155342094 and 16532155342103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795212612 + ... + 1795221820.

It is an arithmetic number, because the mean of its divisors is an integer number (315949505895).

Almost surely, 2^{16532155342144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16532155342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17693172330120).

16532155342144 is an abundant number, since it is smaller than the sum of its proper divisors (18854189318096).

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

16532155342144 is a wasteful number, since it uses less digits than its factorization.

16532155342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12468 (or 12458 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The spelling of 16532155342144 in words is "sixteen trillion, five hundred thirty-two billion, one hundred fifty-five million, three hundred forty-two thousand, one hundred forty-four".