8885004665661 has 12 divisors (see below), whose sum is σ = 13247892261760. Its totient is φ = 5732261074440.

The previous prime is 8885004665659. The next prime is 8885004665717. The reversal of 8885004665661 is 1665664005888.

8885004665661 is a `hidden beast` number, since 8 + 8 + 8 + 5 + 0 + 0 + 4 + 66 + 566 + 1 = 666.

It is not a de Polignac number, because 8885004665661 - 2¹ = 8885004665659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8885004665161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15922947151 + ... + 15922947708.

Almost surely, 2^{8885004665661} is an apocalyptic number.

It is an amenable number.

8885004665661 is a deficient number, since it is larger than the sum of its proper divisors (4362887596099).

8885004665661 is a wasteful number, since it uses less digits than its factorization.

8885004665661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31845894896 (or 31845894893 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 8885004665661 in words is "eight trillion, eight hundred eighty-five billion, four million, six hundred sixty-five thousand, six hundred sixty-one".