160787993 has 2 divisors, whose sum is σ = 160787994. Its totient is φ = 160787992.

The previous prime is 160787983. The next prime is 160788011. The reversal of 160787993 is 399787061.

160787993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82500889 + 78287104 = 9083^2 + 8848^2 .

It is a cyclic number.

It is not a de Polignac number, because 160787993 - 2⁶ = 160787929 is a prime.

It is not a weakly prime, because it can be changed into another prime (160787923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80393996 + 80393997.

It is an arithmetic number, because the mean of its divisors is an integer number (80393997).

Almost surely, 2^160787993 is an apocalyptic number.

It is an amenable number.

160787993 is a deficient number, since it is larger than the sum of its proper divisors (1).

160787993 is an equidigital number, since it uses as much as digits as its factorization.

160787993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 160787993 is about 12680.2205422461. The cubic root of 160787993 is about 543.7732900933.

The spelling of 160787993 in words is "one hundred sixty million, seven hundred eighty-seven thousand, nine hundred ninety-three".