165132212316 has 24 divisors (see below), whose sum is σ = 407973701520. Its totient is φ = 51806184192.

The previous prime is 165132212263. The next prime is 165132212321. The reversal of 165132212316 is 613212231561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404735611 + ... + 404736018.

It is an arithmetic number, because the mean of its divisors is an integer number (16998904230).

Almost surely, 2^165132212316 is an apocalyptic number.

It is an amenable number.

165132212316 is an abundant number, since it is smaller than the sum of its proper divisors (242841489204).

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

165132212316 is a wasteful number, since it uses less digits than its factorization.

165132212316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809471653 (or 809471651 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

Adding to 165132212316 its reverse (613212231561), we get a palindrome (778344443877).

The spelling of 165132212316 in words is "one hundred sixty-five billion, one hundred thirty-two million, two hundred twelve thousand, three hundred sixteen".