2166325561024 has 28 divisors (see below), whose sum is σ = 4299365705544. Its totient is φ = 1083020816384.

The previous prime is 2166325560989. The next prime is 2166325561027. The reversal of 2166325561024 is 4201655236612.

It is not an unprimeable number, because it can be changed into a prime (2166325561027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725217 + ... + 2703520.

It is an arithmetic number, because the mean of its divisors is an integer number (153548775198).

Almost surely, 2^{2166325561024} is an apocalyptic number.

It is an amenable number.

2166325561024 is a deficient number, since it is larger than the sum of its proper divisors (2133040144520).

2166325561024 is an equidigital number, since it uses as much as digits as its factorization.

2166325561024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436392 (or 4436382 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2166325561024 in words is "two trillion, one hundred sixty-six billion, three hundred twenty-five million, five hundred sixty-one thousand, twenty-four".