160020513 has 6 divisors (see below), whose sum is σ = 231140754. Its totient is φ = 106680336.

The previous prime is 160020503. The next prime is 160020517. The reversal of 160020513 is 315020061.

It can be written as a sum of positive squares in only one way, i.e., 117874449 + 42146064 = 10857^2 + 6492^2 .

It is not a de Polignac number, because 160020513 - 2²¹ = 157923361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160020517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8890020 + ... + 8890037.

It is an arithmetic number, because the mean of its divisors is an integer number (38523459).

Almost surely, 2^160020513 is an apocalyptic number.

It is an amenable number.

160020513 is a deficient number, since it is larger than the sum of its proper divisors (71120241).

160020513 is a wasteful number, since it uses less digits than its factorization.

160020513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17780063 (or 17780060 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 160020513 is about 12649.9214622068. The cubic root of 160020513 is about 542.9067226811.

Adding to 160020513 its reverse (315020061), we get a palindrome (475040574).

The spelling of 160020513 in words is "one hundred sixty million, twenty thousand, five hundred thirteen".