16230531409664 has 648 divisors, whose sum is σ = 40540605238224. Its totient is φ = 6393190809600.

The previous prime is 16230531409639. The next prime is 16230531409681. The reversal of 16230531409664 is 46690413503261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48161814104 + ... + 48161814440.

Almost surely, 2^{16230531409664} 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 16230531409664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20270302619112).

16230531409664 is an abundant number, since it is smaller than the sum of its proper divisors (24310073828560).

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

16230531409664 is a wasteful number, since it uses less digits than its factorization.

16230531409664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 16230531409664 in words is "sixteen trillion, two hundred thirty billion, five hundred thirty-one million, four hundred nine thousand, six hundred sixty-four".