165844883327020 has 24 divisors (see below), whose sum is σ = 349223231173824. Its totient is φ = 66157195961856.

The previous prime is 165844883326987. The next prime is 165844883327033. The reversal of 165844883327020 is 20723388448561.

165844883327020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165844883327020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11297328037 + ... + 11297342716.

It is an arithmetic number, because the mean of its divisors is an integer number (14550967965576).

Almost surely, 2^{165844883327020} is an apocalyptic number.

165844883327020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165844883327020 is an abundant number, since it is smaller than the sum of its proper divisors (183378347846804).

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

165844883327020 is a wasteful number, since it uses less digits than its factorization.

165844883327020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594671129 (or 22594671127 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 165844883327020 in words is "one hundred sixty-five trillion, eight hundred forty-four billion, eight hundred eighty-three million, three hundred twenty-seven thousand, twenty".