168802883813 has 16 divisors (see below), whose sum is σ = 176296297200. Its totient is φ = 161428377600.

The previous prime is 168802883801. The next prime is 168802883819. The reversal of 168802883813 is 318388208861.

It can be written as a sum of positive squares in 8 ways, for example, as 1700160289 + 167102723524 = 41233^2 + 408782^2 .

It is a cyclic number.

It is not a de Polignac number, because 168802883813 - 2⁴ = 168802883797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168802883819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215863 + ... + 1347563.

It is an arithmetic number, because the mean of its divisors is an integer number (11018518575).

Almost surely, 2^168802883813 is an apocalyptic number.

It is an amenable number.

168802883813 is a deficient number, since it is larger than the sum of its proper divisors (7493413387).

168802883813 is a wasteful number, since it uses less digits than its factorization.

168802883813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132152.

The product of its (nonzero) digits is 3538944, while the sum is 56.

The spelling of 168802883813 in words is "one hundred sixty-eight billion, eight hundred two million, eight hundred eighty-three thousand, eight hundred thirteen".