165825558382 has 32 divisors (see below), whose sum is σ = 275521023360. Its totient is φ = 74225380320.

The previous prime is 165825558377. The next prime is 165825558419. The reversal of 165825558382 is 283855528561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178753 + ... + 602995.

It is an arithmetic number, because the mean of its divisors is an integer number (8610031980).

Almost surely, 2^165825558382 is an apocalyptic number.

165825558382 is a deficient number, since it is larger than the sum of its proper divisors (109695464978).

165825558382 is a wasteful number, since it uses less digits than its factorization.

165825558382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424528.

The product of its digits is 23040000, while the sum is 58.

The spelling of 165825558382 in words is "one hundred sixty-five billion, eight hundred twenty-five million, five hundred fifty-eight thousand, three hundred eighty-two".