8522912661 has 16 divisors (see below), whose sum is σ = 11424391680. Its totient is φ = 5651719920.

The previous prime is 8522912659. The next prime is 8522912701. The reversal of 8522912661 is 1662192258.

It is not a de Polignac number, because 8522912661 - 2¹ = 8522912659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8522912621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604536 + ... + 1609838.

It is an arithmetic number, because the mean of its divisors is an integer number (714024480).

Almost surely, 2^8522912661 is an apocalyptic number.

It is an amenable number.

8522912661 is a deficient number, since it is larger than the sum of its proper divisors (2901479019).

8522912661 is a wasteful number, since it uses less digits than its factorization.

8522912661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056.

The product of its digits is 103680, while the sum is 42.

The square root of 8522912661 is about 92319.6222966710. The cubic root of 8522912661 is about 2042.6596621902.

The spelling of 8522912661 in words is "eight billion, five hundred twenty-two million, nine hundred twelve thousand, six hundred sixty-one".