688160159 has 2 divisors, whose sum is σ = 688160160. Its totient is φ = 688160158.

The previous prime is 688160147. The next prime is 688160189. The reversal of 688160159 is 951061886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 688160159 - 2²⁸ = 419724703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (688160189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344080079 + 344080080.

It is an arithmetic number, because the mean of its divisors is an integer number (344080080).

Almost surely, 2^688160159 is an apocalyptic number.

688160159 is a deficient number, since it is larger than the sum of its proper divisors (1).

688160159 is an equidigital number, since it uses as much as digits as its factorization.

688160159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 688160159 is about 26232.8069218679. The cubic root of 688160159 is about 882.8694893655.

The spelling of 688160159 in words is "six hundred eighty-eight million, one hundred sixty thousand, one hundred fifty-nine".