168848657 has 2 divisors, whose sum is σ = 168848658. Its totient is φ = 168848656.

The previous prime is 168848639. The next prime is 168848683. The reversal of 168848657 is 756848861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140161921 + 28686736 = 11839^2 + 5356^2 .

It is a cyclic number.

It is not a de Polignac number, because 168848657 - 2¹⁰ = 168847633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168848599 and 168848608.

It is not a weakly prime, because it can be changed into another prime (168848627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84424328 + 84424329.

It is an arithmetic number, because the mean of its divisors is an integer number (84424329).

Almost surely, 2^168848657 is an apocalyptic number.

It is an amenable number.

168848657 is a deficient number, since it is larger than the sum of its proper divisors (1).

168848657 is an equidigital number, since it uses as much as digits as its factorization.

168848657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 53.

The square root of 168848657 is about 12994.1778116201. The cubic root of 168848657 is about 552.7123943336.

The spelling of 168848657 in words is "one hundred sixty-eight million, eight hundred forty-eight thousand, six hundred fifty-seven".