16173799264 has 144 divisors (see below), whose sum is σ = 38457024480. Its totient is φ = 6668390400.

The previous prime is 16173799261. The next prime is 16173799331. The reversal of 16173799264 is 46299737161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16173799261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18233829 + ... + 18234715.

It is an arithmetic number, because the mean of its divisors is an integer number (267062670).

Almost surely, 2^16173799264 is an apocalyptic number.

16173799264 is a gapful number since it is divisible by the number (14) 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 16173799264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19228512240).

16173799264 is an abundant number, since it is smaller than the sum of its proper divisors (22283225216).

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

16173799264 is a wasteful number, since it uses less digits than its factorization.

16173799264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1326 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 55.

The spelling of 16173799264 in words is "sixteen billion, one hundred seventy-three million, seven hundred ninety-nine thousand, two hundred sixty-four".