8521140966 has 16 divisors (see below), whose sum is σ = 18353226864. Its totient is φ = 2621889504.

The previous prime is 8521140961. The next prime is 8521140983. The reversal of 8521140966 is 6690411258.

8521140966 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521140961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54622621 + ... + 54622776.

It is an arithmetic number, because the mean of its divisors is an integer number (1147076679).

Almost surely, 2^8521140966 is an apocalyptic number.

8521140966 is an abundant number, since it is smaller than the sum of its proper divisors (9832085898).

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

8521140966 is a wasteful number, since it uses less digits than its factorization.

8521140966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109245415.

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

The square root of 8521140966 is about 92310.0263568373. The cubic root of 8521140966 is about 2042.5181135261.

The spelling of 8521140966 in words is "eight billion, five hundred twenty-one million, one hundred forty thousand, nine hundred sixty-six".