8661952224 has 72 divisors (see below), whose sum is σ = 24774953112. Its totient is φ = 2870611200.

The previous prime is 8661952219. The next prime is 8661952231. The reversal of 8661952224 is 4222591668.

8661952224 is a `hidden beast` number, since 8 + 6 + 619 + 5 + 2 + 2 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 8661952224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37102 + ... + 136749.

It is an arithmetic number, because the mean of its divisors is an integer number (344096571).

Almost surely, 2^8661952224 is an apocalyptic number.

It is an amenable number.

8661952224 is an abundant number, since it is smaller than the sum of its proper divisors (16113000888).

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

8661952224 is a wasteful number, since it uses less digits than its factorization.

8661952224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174040 (or 174029 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 8661952224 is about 93069.6095618758. The cubic root of 8661952224 is about 2053.7075262083.

The spelling of 8661952224 in words is "eight billion, six hundred sixty-one million, nine hundred fifty-two thousand, two hundred twenty-four".