16531032013600 has 144 divisors (see below), whose sum is σ = 43464516967872. Its totient is φ = 6103232271360.

The previous prime is 16531032013591. The next prime is 16531032013619. The reversal of 16531032013600 is 631023013561.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130800039 + ... + 130926361.

It is an arithmetic number, because the mean of its divisors is an integer number (301836923388).

Almost surely, 2^{16531032013600} is an apocalyptic number.

16531032013600 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 16531032013600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21732258483936).

16531032013600 is an abundant number, since it is smaller than the sum of its proper divisors (26933484954272).

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

16531032013600 is a wasteful number, since it uses less digits than its factorization.

16531032013600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138939 (or 138926 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 16531032013600 in words is "sixteen trillion, five hundred thirty-one billion, thirty-two million, thirteen thousand, six hundred".