2100566652 has 12 divisors (see below), whose sum is σ = 4901322216. Its totient is φ = 700188880.

The previous prime is 2100566593. The next prime is 2100566683. The reversal of 2100566652 is 2566650012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87523599 + ... + 87523622.

It is an arithmetic number, because the mean of its divisors is an integer number (408443518).

Almost surely, 2^2100566652 is an apocalyptic number.

It is an amenable number.

2100566652 is an abundant number, since it is smaller than the sum of its proper divisors (2800755564).

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

2100566652 is a wasteful number, since it uses less digits than its factorization.

2100566652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175047228 (or 175047226 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2100566652 is about 45831.9392127368. The cubic root of 2100566652 is about 1280.6943360172.

The spelling of 2100566652 in words is "two billion, one hundred million, five hundred sixty-six thousand, six hundred fifty-two".