16493993580792 has 256 divisors, whose sum is σ = 51288510551040. Its totient is φ = 4303996010496.

The previous prime is 16493993580791. The next prime is 16493993580793. The reversal of 16493993580792 is 29708539939461.

It is an interprime number because it is at equal distance from previous prime (16493993580791) and next prime (16493993580793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16493993580791) by changing a digit.

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, 931486803 + ... + 931504509.

It is an arithmetic number, because the mean of its divisors is an integer number (200345744340).

It is a 1-persistent number, because it is pandigital, but 2⋅16493993580792 = 32987987161584 is not.

Almost surely, 2^{16493993580792} is an apocalyptic number.

16493993580792 is a gapful number since it is divisible by the number (12) 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 16493993580792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25644255275520).

16493993580792 is an abundant number, since it is smaller than the sum of its proper divisors (34794516970248).

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

16493993580792 is a wasteful number, since it uses less digits than its factorization.

16493993580792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22230 (or 22226 counting only the distinct ones).

The product of its (nonzero) digits is 793618560, while the sum is 75.

The spelling of 16493993580792 in words is "sixteen trillion, four hundred ninety-three billion, nine hundred ninety-three million, five hundred eighty thousand, seven hundred ninety-two".