2168848125 has 30 divisors (see below), whose sum is σ = 3914732822. Its totient is φ = 1156716000.

The previous prime is 2168848091. The next prime is 2168848141. The reversal of 2168848125 is 5218488612.

2168848125 is a `hidden beast` number, since 2 + 168 + 8 + 481 + 2 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 1102107204 + 1066740921 = 33198^2 + 32661^2 .

It is not a de Polignac number, because 2168848125 - 2⁹ = 2168847613 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 187162 + ... + 198411.

Almost surely, 2^2168848125 is an apocalyptic number.

2168848125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2168848125 is a deficient number, since it is larger than the sum of its proper divisors (1745884697).

2168848125 is an equidigital number, since it uses as much as digits as its factorization.

2168848125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385599 (or 385581 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 2168848125 is about 46570.8935387759. The cubic root of 2168848125 is about 1294.4234748817.

The spelling of 2168848125 in words is "two billion, one hundred sixty-eight million, eight hundred forty-eight thousand, one hundred twenty-five".