16591996953792 has 1792 divisors, whose sum is σ = 59264239104000. Its totient is φ = 4529570512896.

The previous prime is 16591996953757. The next prime is 16591996953803. The reversal of 16591996953792 is 29735969919561.

16591996953792 is a `hidden beast` number, since 1 + 6 + 5 + 9 + 19 + 9 + 69 + 537 + 9 + 2 = 666.

Its product of digits (2232052200) is a multiple of the sum of its prime divisors (270).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 121109466748 + ... + 121109466884.

It is an arithmetic number, because the mean of its divisors is an integer number (33071562000).

Almost surely, 2^{16591996953792} is an apocalyptic number.

16591996953792 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 16591996953792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29632119552000).

16591996953792 is an abundant number, since it is smaller than the sum of its proper divisors (42672242150208).

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

16591996953792 is a wasteful number, since it uses less digits than its factorization.

16591996953792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 270 counting only the distinct ones).

The product of its digits is 2232052200, while the sum is 81.

The spelling of 16591996953792 in words is "sixteen trillion, five hundred ninety-one billion, nine hundred ninety-six million, nine hundred fifty-three thousand, seven hundred ninety-two".