16149072241 has 3 divisors (see below), whose sum is σ = 16149199321. Its totient is φ = 16148945162.

The previous prime is 16149072239. The next prime is 16149072311. The reversal of 16149072241 is 14227094161.

The square root of 16149072241 is 127079.

It is a perfect power (a square), and thus also a powerful number.

16149072241 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14227094161 = 7 ⋅2032442023.

It is not a de Polignac number, because 16149072241 - 2¹ = 16149072239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16149072241.

It is not an unprimeable number, because it can be changed into a prime (16149072221) 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 2 ways as a sum of consecutive naturals, for example, 63540 + ... + 190618.

Almost surely, 2^16149072241 is an apocalyptic number.

16149072241 is the 127079-th square number.

16149072241 is the 63540-th centered octagonal number.

It is an amenable number.

16149072241 is a deficient number, since it is larger than the sum of its proper divisors (127080).

16149072241 is an frugal number, since it uses more digits than its factorization.

16149072241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254158 (or 127079 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 16149072241 in words is "sixteen billion, one hundred forty-nine million, seventy-two thousand, two hundred forty-one".