165383025084 has 36 divisors (see below), whose sum is σ = 436227691536. Its totient is φ = 52730819328.

The previous prime is 165383025077. The next prime is 165383025091. The reversal of 165383025084 is 480520383561.

165383025084 is a `hidden beast` number, since 1 + 6 + 538 + 30 + 2 + 5 + 0 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (165383025077) and next prime (165383025091).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99868149 + ... + 99869804.

It is an arithmetic number, because the mean of its divisors is an integer number (12117435876).

Almost surely, 2^165383025084 is an apocalyptic number.

It is an amenable number.

165383025084 is an abundant number, since it is smaller than the sum of its proper divisors (270844666452).

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

165383025084 is a wasteful number, since it uses less digits than its factorization.

165383025084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199737986 (or 199737981 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 165383025084 in words is "one hundred sixty-five billion, three hundred eighty-three million, twenty-five thousand, eighty-four".