165954205248 has 112 divisors (see below), whose sum is σ = 478560847296. Its totient is φ = 50447554560.

The previous prime is 165954205247. The next prime is 165954205259. The reversal of 165954205248 is 842502459561.

It is a self number, because there is not a number n which added to its sum of digits gives 165954205248.

It is not an unprimeable number, because it can be changed into a prime (165954205247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193363 + ... + 607698.

It is an arithmetic number, because the mean of its divisors is an integer number (4272864708).

Almost surely, 2^165954205248 is an apocalyptic number.

It is an amenable number.

165954205248 is an abundant number, since it is smaller than the sum of its proper divisors (312606642048).

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

165954205248 is a wasteful number, since it uses less digits than its factorization.

165954205248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801172 (or 801162 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 165954205248 in words is "one hundred sixty-five billion, nine hundred fifty-four million, two hundred five thousand, two hundred forty-eight".