16000069000091 has 16 divisors (see below), whose sum is σ = 18214799616000. Its totient is φ = 13912123917120.

The previous prime is 16000069000057. The next prime is 16000069000103. The reversal of 16000069000091 is 19000096000061.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16000069000091 is a prime.

16000069000091 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16000069000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385846 + ... + 5824148.

It is an arithmetic number, because the mean of its divisors is an integer number (1138424976000).

Almost surely, 2^{16000069000091} is an apocalyptic number.

16000069000091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16000069000091 is a deficient number, since it is larger than the sum of its proper divisors (2214730615909).

16000069000091 is a wasteful number, since it uses less digits than its factorization.

16000069000091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452586.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 16000069000091 in words is "sixteen trillion, sixty-nine million, ninety-one", and thus it is an aban number and an uban number.