165232605104 has 20 divisors (see below), whose sum is σ = 365872197264. Its totient is φ = 70813973568.

The previous prime is 165232605067. The next prime is 165232605133. The reversal of 165232605104 is 401506232561.

165232605104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737645447 + ... + 737645670.

Almost surely, 2^165232605104 is an apocalyptic number.

165232605104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

165232605104 is an abundant number, since it is smaller than the sum of its proper divisors (200639592160).

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

165232605104 is a wasteful number, since it uses less digits than its factorization.

165232605104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475291132 (or 1475291126 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 165232605104 its reverse (401506232561), we get a palindrome (566738837665).

The spelling of 165232605104 in words is "one hundred sixty-five billion, two hundred thirty-two million, six hundred five thousand, one hundred four".