2068755648 has 56 divisors (see below), whose sum is σ = 5477914368. Its totient is φ = 689039616.

The previous prime is 2068755617. The next prime is 2068755649. The reversal of 2068755648 is 8465578602.

It is a happy number.

It is a super-2 number, since 2×2068755648² = 8559499862263799808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2068755648.

It is not an unprimeable number, because it can be changed into a prime (2068755649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292765 + ... + 299747.

Almost surely, 2^2068755648 is an apocalyptic number.

It is an amenable number.

2068755648 is an abundant number, since it is smaller than the sum of its proper divisors (3409158720).

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

2068755648 is a wasteful number, since it uses less digits than its factorization.

2068755648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541 (or 8531 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 2068755648 is about 45483.5755850395. The cubic root of 2068755648 is about 1274.1964739494.

The spelling of 2068755648 in words is "two billion, sixty-eight million, seven hundred fifty-five thousand, six hundred forty-eight".