165334832856 has 160 divisors (see below), whose sum is σ = 475263703200. Its totient is φ = 53680527360.

The previous prime is 165334832809. The next prime is 165334832863. The reversal of 165334832856 is 658238433561.

165334832856 is a `hidden beast` number, since 1 + 6 + 533 + 4 + 83 + 28 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4051080 + ... + 4091688.

It is an arithmetic number, because the mean of its divisors is an integer number (2970398145).

Almost surely, 2^165334832856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165334832856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237631851600).

165334832856 is an abundant number, since it is smaller than the sum of its proper divisors (309928870344).

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

165334832856 is a wasteful number, since it uses less digits than its factorization.

165334832856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40791 (or 40778 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 165334832856 in words is "one hundred sixty-five billion, three hundred thirty-four million, eight hundred thirty-two thousand, eight hundred fifty-six".