15644014106 has 12 divisors (see below), whose sum is σ = 27297208458. Its totient is φ = 6704577432.

The previous prime is 15644014037. The next prime is 15644014109. The reversal of 15644014106 is 60141044651.

15644014106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9381665881 + 6262348225 = 96859^2 + 79135^2 .

It is not an unprimeable number, because it can be changed into a prime (15644014109) 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 5 ways as a sum of consecutive naturals, for example, 79816301 + ... + 79816496.

Almost surely, 2^15644014106 is an apocalyptic number.

15644014106 is a deficient number, since it is larger than the sum of its proper divisors (11653194352).

15644014106 is a wasteful number, since it uses less digits than its factorization.

15644014106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159632813 (or 159632806 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 15644014106 its reverse (60141044651), we get a palindrome (75785058757).

The spelling of 15644014106 in words is "fifteen billion, six hundred forty-four million, fourteen thousand, one hundred six".