16149079091 has 4 divisors (see below), whose sum is σ = 16186548384. Its totient is φ = 16111609800.

The previous prime is 16149079087. The next prime is 16149079153. The reversal of 16149079091 is 19097094161.

16149079091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19097094161 = 19 ⋅1005110219.

It is a cyclic number.

It is not a de Polignac number, because 16149079091 - 2² = 16149079087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16149079021) 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 3 ways as a sum of consecutive naturals, for example, 18734000 + ... + 18734861.

It is an arithmetic number, because the mean of its divisors is an integer number (4046637096).

Almost surely, 2^16149079091 is an apocalyptic number.

16149079091 is a deficient number, since it is larger than the sum of its proper divisors (37469293).

16149079091 is an equidigital number, since it uses as much as digits as its factorization.

16149079091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37469292.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 16149079091 in words is "sixteen billion, one hundred forty-nine million, seventy-nine thousand, ninety-one".