160722139 has 2 divisors, whose sum is σ = 160722140. Its totient is φ = 160722138.

The previous prime is 160722119. The next prime is 160722157. The reversal of 160722139 is 931227061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160722139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160722139.

It is not a weakly prime, because it can be changed into another prime (160722119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80361069 + 80361070.

It is an arithmetic number, because the mean of its divisors is an integer number (80361070).

Almost surely, 2^160722139 is an apocalyptic number.

160722139 is a deficient number, since it is larger than the sum of its proper divisors (1).

160722139 is an equidigital number, since it uses as much as digits as its factorization.

160722139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 160722139 is about 12677.6235549097. The cubic root of 160722139 is about 543.6990421441.

The spelling of 160722139 in words is "one hundred sixty million, seven hundred twenty-two thousand, one hundred thirty-nine".