16272063844 has 9 divisors (see below), whose sum is σ = 28476558201. Its totient is φ = 8135904360.

The previous prime is 16272063799. The next prime is 16272063877. The reversal of 16272063844 is 44836027261.

The square root of 16272063844 is 127562.

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., 8365297444 + 7906766400 = 91462^2 + 88920^2 .

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 16272063844.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 223234 + ... + 287014.

Almost surely, 2^16272063844 is an apocalyptic number.

16272063844 is the 127562-nd square number.

It is an amenable number.

16272063844 is a deficient number, since it is larger than the sum of its proper divisors (12204494357).

16272063844 is an frugal number, since it uses more digits than its factorization.

16272063844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127566 (or 63783 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 16272063844 in words is "sixteen billion, two hundred seventy-two million, sixty-three thousand, eight hundred forty-four".