844160017164 has 24 divisors (see below), whose sum is σ = 1969761391920. Its totient is φ = 281378860224.

The previous prime is 844160017087. The next prime is 844160017213. The reversal of 844160017164 is 461710061448.

It is a happy number.

It is a super-2 number, since 2×844160017164² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 517659 + ... + 1398674.

It is an arithmetic number, because the mean of its divisors is an integer number (82073391330).

Almost surely, 2^844160017164 is an apocalyptic number.

It is an amenable number.

844160017164 is an abundant number, since it is smaller than the sum of its proper divisors (1125601374756).

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

844160017164 is a wasteful number, since it uses less digits than its factorization.

844160017164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953049 (or 1953047 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 844160017164 in words is "eight hundred forty-four billion, one hundred sixty million, seventeen thousand, one hundred sixty-four".