2168113925 has 12 divisors (see below), whose sum is σ = 2692181856. Its totient is φ = 1732090800.

The previous prime is 2168113919. The next prime is 2168113931. The reversal of 2168113925 is 5293118612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2168113919) and next prime (2168113931).

It is not a de Polignac number, because 2168113925 - 2⁶ = 2168113861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41471 + ... + 77820.

It is an arithmetic number, because the mean of its divisors is an integer number (224348488).

Almost surely, 2^2168113925 is an apocalyptic number.

2168113925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2168113925 is a deficient number, since it is larger than the sum of its proper divisors (524067931).

2168113925 is a wasteful number, since it uses less digits than its factorization.

2168113925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120028 (or 120023 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 2168113925 is about 46563.0102656604. The cubic root of 2168113925 is about 1294.2773953470.

The spelling of 2168113925 in words is "two billion, one hundred sixty-eight million, one hundred thirteen thousand, nine hundred twenty-five".