16044296636544 has 768 divisors, whose sum is σ = 48580948644480. Its totient is φ = 4685824000000.

The previous prime is 16044296636449. The next prime is 16044296636549. The reversal of 16044296636544 is 44563669244061.

It is a super-2 number, since 2×16044296636544² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16044296636549) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62429169664 + ... + 62429169920.

Almost surely, 2^{16044296636544} 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 16044296636544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24290474322240).

16044296636544 is an abundant number, since it is smaller than the sum of its proper divisors (32536652007936).

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

16044296636544 is a wasteful number, since it uses less digits than its factorization.

16044296636544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 60.

The spelling of 16044296636544 in words is "sixteen trillion, forty-four billion, two hundred ninety-six million, six hundred thirty-six thousand, five hundred forty-four".