16109033840640 has 1344 divisors, whose sum is σ = 66450347623296. Its totient is φ = 3569369481216.

The previous prime is 16109033840609. The next prime is 16109033840651. The reversal of 16109033840640 is 4604833090161.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 1873792822 + ... + 1873801418.

It is an arithmetic number, because the mean of its divisors is an integer number (49442222934).

Almost surely, 2^{16109033840640} is an apocalyptic number.

16109033840640 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 16109033840640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33225173811648).

16109033840640 is an abundant number, since it is smaller than the sum of its proper divisors (50341313782656).

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

16109033840640 is a wasteful number, since it uses less digits than its factorization.

16109033840640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8687 (or 8660 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 16109033840640 in words is "sixteen trillion, one hundred nine billion, thirty-three million, eight hundred forty thousand, six hundred forty".