8924536661 has 4 divisors (see below), whose sum is σ = 9011182752. Its totient is φ = 8837890572.

The previous prime is 8924536637. The next prime is 8924536669. The reversal of 8924536661 is 1666354298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8924536661 is a prime.

It is a super-2 number, since 2×8924536661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8924536669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43322891 + ... + 43323096.

It is an arithmetic number, because the mean of its divisors is an integer number (2252795688).

Almost surely, 2^8924536661 is an apocalyptic number.

It is an amenable number.

8924536661 is a deficient number, since it is larger than the sum of its proper divisors (86646091).

8924536661 is a wasteful number, since it uses less digits than its factorization.

8924536661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86646090.

The product of its digits is 1866240, while the sum is 50.

The square root of 8924536661 is about 94469.7658565956. The cubic root of 8924536661 is about 2074.2537916615.

The spelling of 8924536661 in words is "eight billion, nine hundred twenty-four million, five hundred thirty-six thousand, six hundred sixty-one".