168943283165 has 8 divisors (see below), whose sum is σ = 202750809048. Its totient is φ = 135142047040.

The previous prime is 168943283147. The next prime is 168943283167. The reversal of 168943283165 is 561382349861.

It can be written as a sum of positive squares in 4 ways, for example, as 33790969 + 168909492196 = 5813^2 + 410986^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168943283165 - 2⁸ = 168943282909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168943283165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168943283167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513142 + ... + 1620951.

It is an arithmetic number, because the mean of its divisors is an integer number (25343851131).

Almost surely, 2^168943283165 is an apocalyptic number.

It is an amenable number.

168943283165 is a deficient number, since it is larger than the sum of its proper divisors (33807525883).

168943283165 is a wasteful number, since it uses less digits than its factorization.

168943283165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144879.

The product of its digits is 7464960, while the sum is 56.

The spelling of 168943283165 in words is "one hundred sixty-eight billion, nine hundred forty-three million, two hundred eighty-three thousand, one hundred sixty-five".