16484068081 has 16 divisors (see below), whose sum is σ = 18209031120. Its totient is φ = 14825364480.

The previous prime is 16484068063. The next prime is 16484068121. The reversal of 16484068081 is 18086048461.

It can be written as a sum of positive squares in 8 ways, for example, as 2098464481 + 14385603600 = 45809^2 + 119940^2 .

It is a cyclic number.

It is not a de Polignac number, because 16484068081 - 2¹¹ = 16484066033 is a prime.

It is a super-2 number, since 2×16484068081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16484068001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392005 + ... + 432013.

It is an arithmetic number, because the mean of its divisors is an integer number (1138064445).

Almost surely, 2^16484068081 is an apocalyptic number.

It is an amenable number.

16484068081 is a deficient number, since it is larger than the sum of its proper divisors (1724963039).

16484068081 is a wasteful number, since it uses less digits than its factorization.

16484068081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40836.

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 16484068081 in words is "sixteen billion, four hundred eighty-four million, sixty-eight thousand, eighty-one".