8815673712066 has 64 divisors (see below), whose sum is σ = 19057080282240. Its totient is φ = 2702592345600.

The previous prime is 8815673712047. The next prime is 8815673712103. The reversal of 8815673712066 is 6602173765188.

It is a super-2 number, since 2×8815673712066² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220918716 + ... + 220958616.

It is an arithmetic number, because the mean of its divisors is an integer number (297766879410).

Almost surely, 2^{8815673712066} is an apocalyptic number.

8815673712066 is an abundant number, since it is smaller than the sum of its proper divisors (10241406570174).

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

8815673712066 is a wasteful number, since it uses less digits than its factorization.

8815673712066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50211.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 8815673712066 in words is "eight trillion, eight hundred fifteen billion, six hundred seventy-three million, seven hundred twelve thousand, sixty-six".