2168675968 has 32 divisors (see below), whose sum is σ = 4437186660. Its totient is φ = 1055029248.

The previous prime is 2168675917. The next prime is 2168675981. The reversal of 2168675968 is 8695768612.

It can be written as a sum of positive squares in 2 ways, for example, as 2168578624 + 97344 = 46568^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224221 + ... + 233692.

Almost surely, 2^2168675968 is an apocalyptic number.

It is an amenable number.

2168675968 is an abundant number, since it is smaller than the sum of its proper divisors (2268510692).

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

2168675968 is an equidigital number, since it uses as much as digits as its factorization.

2168675968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457964 (or 457952 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The square root of 2168675968 is about 46569.0451695115. The cubic root of 2168675968 is about 1294.3892247567.

The spelling of 2168675968 in words is "two billion, one hundred sixty-eight million, six hundred seventy-five thousand, nine hundred sixty-eight".