2168543342592 has 520 divisors, whose sum is σ = 7153125598080. Its totient is φ = 649126379520.

The previous prime is 2168543342557. The next prime is 2168543342593. The reversal of 2168543342592 is 2952433458612.

2168543342592 is a `hidden beast` number, since 2 + 1 + 6 + 8 + 5 + 4 + 3 + 3 + 42 + 592 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168543342593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 302907909 + ... + 302915067.

Almost surely, 2^{2168543342592} is an apocalyptic number.

2168543342592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2168543342592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3576562799040).

2168543342592 is an abundant number, since it is smaller than the sum of its proper divisors (4984582255488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2168543342592 is an equidigital number, since it uses as much as digits as its factorization.

2168543342592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7289 (or 7258 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 2168543342592 in words is "two trillion, one hundred sixty-eight billion, five hundred forty-three million, three hundred forty-two thousand, five hundred ninety-two".