2695168668 has 48 divisors (see below), whose sum is σ = 6400314144. Its totient is φ = 882585600.

The previous prime is 2695168583. The next prime is 2695168669. The reversal of 2695168668 is 8668615962.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2695168669) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 151018 + ... + 167918.

It is an arithmetic number, because the mean of its divisors is an integer number (133339878).

Almost surely, 2^2695168668 is an apocalyptic number.

It is an amenable number.

2695168668 is an abundant number, since it is smaller than the sum of its proper divisors (3705145476).

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

2695168668 is a wasteful number, since it uses less digits than its factorization.

2695168668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17142 (or 17140 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 2695168668 is about 51915.0138977156. The cubic root of 2695168668 is about 1391.6455965416.

The spelling of 2695168668 in words is "two billion, six hundred ninety-five million, one hundred sixty-eight thousand, six hundred sixty-eight".