160039813 has 2 divisors, whose sum is σ = 160039814. Its totient is φ = 160039812.

The previous prime is 160039787. The next prime is 160039829. The reversal of 160039813 is 318930061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86731969 + 73307844 = 9313^2 + 8562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160039813 is a prime.

It is a super-2 number, since 2×160039813² = 51225483490149938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160039213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80019906 + 80019907.

It is an arithmetic number, because the mean of its divisors is an integer number (80019907).

Almost surely, 2^160039813 is an apocalyptic number.

It is an amenable number.

160039813 is a deficient number, since it is larger than the sum of its proper divisors (1).

160039813 is an equidigital number, since it uses as much as digits as its factorization.

160039813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 160039813 is about 12650.6842897924. The cubic root of 160039813 is about 542.9285483799.

Adding to 160039813 its reverse (318930061), we get a palindrome (478969874).

The spelling of 160039813 in words is "one hundred sixty million, thirty-nine thousand, eight hundred thirteen".