16047569041 has 9 divisors (see below), whose sum is σ = 18668611899. Its totient is φ = 13754299104.

The previous prime is 16047569017. The next prime is 16047569047. The reversal of 16047569041 is 14096574061.

The square root of 16047569041 is 126679.

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

It can be written as a sum of positive squares in only one way, i.e., 2099014225 + 13948554816 = 45815^2 + 118104^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16047569041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16047569047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 877705 + ... + 895801.

It is an arithmetic number, because the mean of its divisors is an integer number (2074290211).

Almost surely, 2^16047569041 is an apocalyptic number.

16047569041 is the 126679-th square number.

16047569041 is the 63340-th centered octagonal number.

It is an amenable number.

16047569041 is a deficient number, since it is larger than the sum of its proper divisors (2621042858).

16047569041 is an frugal number, since it uses more digits than its factorization.

16047569041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36208 (or 18104 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 16047569041 in words is "sixteen billion, forty-seven million, five hundred sixty-nine thousand, forty-one".