8520418166 has 32 divisors (see below), whose sum is σ = 13907678400. Its totient is φ = 3891473280.

The previous prime is 8520418163. The next prime is 8520418177. The reversal of 8520418166 is 6618140258.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520418163) 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, 3141551 + ... + 3144261.

It is an arithmetic number, because the mean of its divisors is an integer number (434614950).

Almost surely, 2^8520418166 is an apocalyptic number.

8520418166 is a deficient number, since it is larger than the sum of its proper divisors (5387260234).

8520418166 is a wasteful number, since it uses less digits than its factorization.

8520418166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 8520418166 is about 92306.1112061385. Note that the first 3 decimals coincide. The cubic root of 8520418166 is about 2042.4603601555.

The spelling of 8520418166 in words is "eight billion, five hundred twenty million, four hundred eighteen thousand, one hundred sixty-six".