165026163312 has 60 divisors (see below), whose sum is σ = 474326341320. Its totient is φ = 53521997184.

The previous prime is 165026163301. The next prime is 165026163359. The reversal of 165026163312 is 213361620561.

165026163312 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 2 + 6 + 1 + 633 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15481362 + ... + 15492017.

It is an arithmetic number, because the mean of its divisors is an integer number (7905439022).

Almost surely, 2^165026163312 is an apocalyptic number.

165026163312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165026163312 is an abundant number, since it is smaller than the sum of its proper divisors (309300178008).

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

165026163312 is a wasteful number, since it uses less digits than its factorization.

165026163312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30973430 (or 30973421 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 165026163312 its reverse (213361620561), we get a palindrome (378387783873).

The spelling of 165026163312 in words is "one hundred sixty-five billion, twenty-six million, one hundred sixty-three thousand, three hundred twelve".