16109743586 has 4 divisors (see below), whose sum is σ = 24164615382. Its totient is φ = 8054871792.

The previous prime is 16109743549. The next prime is 16109743589. The reversal of 16109743586 is 68534790161.

16109743586 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: 68534790161 = 19 ⋅3607094219.

It can be written as a sum of positive squares in only one way, i.e., 16108432561 + 1311025 = 126919^2 + 1145^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16109743589) 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 as a sum of consecutive naturals, namely, 4027435895 + ... + 4027435898.

Almost surely, 2^16109743586 is an apocalyptic number.

16109743586 is a deficient number, since it is larger than the sum of its proper divisors (8054871796).

16109743586 is an equidigital number, since it uses as much as digits as its factorization.

16109743586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054871795.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 16109743586 in words is "sixteen billion, one hundred nine million, seven hundred forty-three thousand, five hundred eighty-six".