160299989 has 2 divisors, whose sum is σ = 160299990. Its totient is φ = 160299988.

The previous prime is 160299967. The next prime is 160300003. The reversal of 160299989 is 989992061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142802500 + 17497489 = 11950^2 + 4183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160299989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160299989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160299959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80149994 + 80149995.

It is an arithmetic number, because the mean of its divisors is an integer number (80149995).

Almost surely, 2^160299989 is an apocalyptic number.

It is an amenable number.

160299989 is a deficient number, since it is larger than the sum of its proper divisors (1).

160299989 is an equidigital number, since it uses as much as digits as its factorization.

160299989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 160299989 is about 12660.9631940070. The cubic root of 160299989 is about 543.2226012522. Note that the first 3 decimals are identical.

The spelling of 160299989 in words is "one hundred sixty million, two hundred ninety-nine thousand, nine hundred eighty-nine".