168365823658043 has 12 divisors (see below), whose sum is σ = 194803432334280. Its totient is φ = 145004058650880.

The previous prime is 168365823658027. The next prime is 168365823658049. The reversal of 168365823658043 is 340856328563861.

It is not a de Polignac number, because 168365823658043 - 2⁴ = 168365823658027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168365823658049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36617184230 + ... + 36617188827.

It is an arithmetic number, because the mean of its divisors is an integer number (16233619361190).

Almost surely, 2^{168365823658043} is an apocalyptic number.

168365823658043 is a deficient number, since it is larger than the sum of its proper divisors (26437608676237).

168365823658043 is a wasteful number, since it uses less digits than its factorization.

168365823658043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73234373098 (or 73234373087 counting only the distinct ones).

The product of its (nonzero) digits is 597196800, while the sum is 68.

The spelling of 168365823658043 in words is "one hundred sixty-eight trillion, three hundred sixty-five billion, eight hundred twenty-three million, six hundred fifty-eight thousand, forty-three".