16193321137 has 8 divisors (see below), whose sum is σ = 18530600256. Its totient is φ = 13862028912.

The previous prime is 16193321129. The next prime is 16193321153. The reversal of 16193321137 is 73112339161.

16193321137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16193321137 - 2³ = 16193321129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16193321096 and 16193321105.

It is not an unprimeable number, because it can be changed into a prime (16193021137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1490923 + ... + 1501744.

It is an arithmetic number, because the mean of its divisors is an integer number (2316325032).

Almost surely, 2^16193321137 is an apocalyptic number.

It is an amenable number.

16193321137 is a deficient number, since it is larger than the sum of its proper divisors (2337279119).

16193321137 is an equidigital number, since it uses as much as digits as its factorization.

16193321137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993447.

The product of its digits is 20412, while the sum is 37.

The spelling of 16193321137 in words is "sixteen billion, one hundred ninety-three million, three hundred twenty-one thousand, one hundred thirty-seven".