168848661 has 12 divisors (see below), whose sum is σ = 232632096. Its totient is φ = 108932760.

The previous prime is 168848657. The next prime is 168848683. The reversal of 168848661 is 166848861.

It is not a de Polignac number, because 168848661 - 2² = 168848657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168848661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168848261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26401 + ... + 32166.

It is an arithmetic number, because the mean of its divisors is an integer number (19386008).

Almost surely, 2^168848661 is an apocalyptic number.

It is an amenable number.

168848661 is a deficient number, since it is larger than the sum of its proper divisors (63783435).

168848661 is an equidigital number, since it uses as much as digits as its factorization.

168848661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58632 (or 58601 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 168848661 is about 12994.1779655352. The cubic root of 168848661 is about 552.7123986981.

The spelling of 168848661 in words is "one hundred sixty-eight million, eight hundred forty-eight thousand, six hundred sixty-one".