16065011313 has 40 divisors (see below), whose sum is σ = 26332098408. Its totient is φ = 9699595776.

The previous prime is 16065011311. The next prime is 16065011327. The reversal of 16065011313 is 31311056061.

16065011313 is a `hidden beast` number, since 1 + 6 + 0 + 650 + 1 + 1 + 3 + 1 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3016975329 + 13048035984 = 54927^2 + 114228^2 .

It is not a de Polignac number, because 16065011313 - 2¹ = 16065011311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16065011311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 88120 + ... + 199737.

Almost surely, 2^16065011313 is an apocalyptic number.

16065011313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16065011313 is a deficient number, since it is larger than the sum of its proper divisors (10267087095).

16065011313 is a wasteful number, since it uses less digits than its factorization.

16065011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287935 (or 287926 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 16065011313 its reverse (31311056061), we get a palindrome (47376067374).

The spelling of 16065011313 in words is "sixteen billion, sixty-five million, eleven thousand, three hundred thirteen".