165325240063224 has 144 divisors (see below), whose sum is σ = 470166287248320. Its totient is φ = 52426809584640.

The previous prime is 165325240063223. The next prime is 165325240063237. The reversal of 165325240063224 is 422360042523561.

165325240063224 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 2 + 5 + 2 + 4 + 0 + 0 + 632 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 165325240063224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165325240063223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2869657 + ... + 18408840.

Almost surely, 2^{165325240063224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165325240063224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235083143624160).

165325240063224 is an abundant number, since it is smaller than the sum of its proper divisors (304841047185096).

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

165325240063224 is a wasteful number, since it uses less digits than its factorization.

165325240063224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21278658 (or 21278592 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 165325240063224 its reverse (422360042523561), we get a palindrome (587685282586785).

The spelling of 165325240063224 in words is "one hundred sixty-five trillion, three hundred twenty-five billion, two hundred forty million, sixty-three thousand, two hundred twenty-four".