441540565124166 has 16 divisors (see below), whose sum is σ = 981201255831600. Its totient is φ = 147180188374704.

The previous prime is 441540565124161. The next prime is 441540565124177. The reversal of 441540565124166 is 661421565045144.

441540565124166 is a `hidden beast` number, since 4 + 4 + 1 + 5 + 4 + 0 + 565 + 12 + 4 + 1 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 8176677131929 = 441540565124166 / (4 + 4 + 1 + 5 + 4 + 0 + 5 + 6 + 5 + 1 + 2 + 4 + 1 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441540565124161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088338565911 + ... + 4088338566018.

It is an arithmetic number, because the mean of its divisors is an integer number (61325078489475).

Almost surely, 2^{441540565124166} is an apocalyptic number.

441540565124166 is an abundant number, since it is smaller than the sum of its proper divisors (539660690707434).

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

441540565124166 is a wasteful number, since it uses less digits than its factorization.

441540565124166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176677131940 (or 8176677131934 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 441540565124166 in words is "four hundred forty-one trillion, five hundred forty billion, five hundred sixty-five million, one hundred twenty-four thousand, one hundred sixty-six".