16261334344276 has 192 divisors, whose sum is σ = 36027010252800. Its totient is φ = 6272496921600.

The previous prime is 16261334344259. The next prime is 16261334344301. The reversal of 16261334344276 is 67244343316261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81432385 + ... + 81631831.

It is an arithmetic number, because the mean of its divisors is an integer number (187640678400).

Almost surely, 2^{16261334344276} 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 16261334344276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18013505126400).

16261334344276 is an abundant number, since it is smaller than the sum of its proper divisors (19765675908524).

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

16261334344276 is a wasteful number, since it uses less digits than its factorization.

16261334344276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199638 (or 199636 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 52.

The spelling of 16261334344276 in words is "sixteen trillion, two hundred sixty-one billion, three hundred thirty-four million, three hundred forty-four thousand, two hundred seventy-six".