165233760 has 48 divisors (see below), whose sum is σ = 520487856. Its totient is φ = 44062208.

The previous prime is 165233737. The next prime is 165233801. The reversal of 165233760 is 67332561.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 171639 + ... + 172598.

It is an arithmetic number, because the mean of its divisors is an integer number (10843497).

Almost surely, 2^165233760 is an apocalyptic number.

165233760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165233760 is an abundant number, since it is smaller than the sum of its proper divisors (355254096).

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

165233760 is a wasteful number, since it uses less digits than its factorization.

165233760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344255 (or 344247 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 165233760 is about 12854.3284538711. The cubic root of 165233760 is about 548.7395488555.

The spelling of 165233760 in words is "one hundred sixty-five million, two hundred thirty-three thousand, seven hundred sixty".