2268908664 has 64 divisors (see below), whose sum is σ = 6289418880. Its totient is φ = 676272000.

The previous prime is 2268908659. The next prime is 2268908683. The reversal of 2268908664 is 4668098622.

2268908664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54342 + ... + 86549.

It is an arithmetic number, because the mean of its divisors is an integer number (98272170).

Almost surely, 2^2268908664 is an apocalyptic number.

2268908664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2268908664 is an abundant number, since it is smaller than the sum of its proper divisors (4020510216).

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

2268908664 is a wasteful number, since it uses less digits than its factorization.

2268908664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140972 (or 140968 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 2268908664 is about 47633.0627190820. The cubic root of 2268908664 is about 1314.0311820034.

The spelling of 2268908664 in words is "two billion, two hundred sixty-eight million, nine hundred eight thousand, six hundred sixty-four".