165847264 has 48 divisors (see below), whose sum is σ = 358582896. Its totient is φ = 74880000.

The previous prime is 165847249. The next prime is 165847271. The reversal of 165847264 is 462748561.

It is a self number, because there is not a number n which added to its sum of digits gives 165847264.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53764 + ... + 56764.

It is an arithmetic number, because the mean of its divisors is an integer number (7470477).

Almost surely, 2^165847264 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 165847264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179291448).

165847264 is an abundant number, since it is smaller than the sum of its proper divisors (192735632).

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

165847264 is a wasteful number, since it uses less digits than its factorization.

165847264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179 (or 3171 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 165847264 is about 12878.1700563395. The cubic root of 165847264 is about 549.4178567797.

The spelling of 165847264 in words is "one hundred sixty-five million, eight hundred forty-seven thousand, two hundred sixty-four".