165088621304 has 8 divisors (see below), whose sum is σ = 309541164960. Its totient is φ = 82544310648.

The previous prime is 165088621267. The next prime is 165088621339. The reversal of 165088621304 is 403126880561.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 10318038824 + ... + 10318038839.

It is an arithmetic number, because the mean of its divisors is an integer number (38692645620).

Almost surely, 2^165088621304 is an apocalyptic number.

It is an amenable number.

165088621304 is a deficient number, since it is larger than the sum of its proper divisors (144452543656).

165088621304 is a wasteful number, since it uses less digits than its factorization.

165088621304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20636077669 (or 20636077665 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 165088621304 in words is "one hundred sixty-five billion, eighty-eight million, six hundred twenty-one thousand, three hundred four".