8266669861140 has 96 divisors (see below), whose sum is σ = 25744019280000. Its totient is φ = 2202260368896.

The previous prime is 8266669861139. The next prime is 8266669861187. The reversal of 8266669861140 is 411689666628.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7041190 + ... + 8130909.

It is an arithmetic number, because the mean of its divisors is an integer number (268166867500).

Almost surely, 2^{8266669861140} is an apocalyptic number.

It is an amenable number.

8266669861140 is an abundant number, since it is smaller than the sum of its proper divisors (17477349418860).

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

8266669861140 is a wasteful number, since it uses less digits than its factorization.

8266669861140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173126 (or 15173118 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 8266669861140 in words is "eight trillion, two hundred sixty-six billion, six hundred sixty-nine million, eight hundred sixty-one thousand, one hundred forty".