2101608568 has 8 divisors (see below), whose sum is σ = 3940516080. Its totient is φ = 1050804280.

The previous prime is 2101608533. The next prime is 2101608577. The reversal of 2101608568 is 8658061012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131350528 + ... + 131350543.

It is an arithmetic number, because the mean of its divisors is an integer number (492564510).

Almost surely, 2^2101608568 is an apocalyptic number.

It is an amenable number.

2101608568 is a deficient number, since it is larger than the sum of its proper divisors (1838907512).

2101608568 is a wasteful number, since it uses less digits than its factorization.

2101608568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262701077 (or 262701073 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2101608568 is about 45843.3045056745. The cubic root of 2101608568 is about 1280.9060495811.

The spelling of 2101608568 in words is "two billion, one hundred one million, six hundred eight thousand, five hundred sixty-eight".