168968205 has 24 divisors (see below), whose sum is σ = 334718592. Its totient is φ = 77242464.

The previous prime is 168968201. The next prime is 168968207. The reversal of 168968205 is 502869861.

It is not a de Polignac number, because 168968205 - 2² = 168968201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168968201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267889 + ... + 268518.

It is an arithmetic number, because the mean of its divisors is an integer number (13946608).

Almost surely, 2^168968205 is an apocalyptic number.

168968205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168968205 is a deficient number, since it is larger than the sum of its proper divisors (165750387).

168968205 is a wasteful number, since it uses less digits than its factorization.

168968205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536425 (or 536422 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 168968205 is about 12998.7770578620. Note that the first 3 decimals coincide. The cubic root of 168968205 is about 552.8428071232.

The spelling of 168968205 in words is "one hundred sixty-eight million, nine hundred sixty-eight thousand, two hundred five".