165311360 has 32 divisors (see below), whose sum is σ = 395199000. Its totient is φ = 66124288.

The previous prime is 165311357. The next prime is 165311369. The reversal of 165311360 is 63113561.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165311369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128510 + ... + 129789.

Almost surely, 2^165311360 is an apocalyptic number.

165311360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165311360 is an abundant number, since it is smaller than the sum of its proper divisors (229887640).

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

165311360 is an equidigital number, since it uses as much as digits as its factorization.

165311360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258318 (or 258306 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 165311360 is about 12857.3465380692. The cubic root of 165311360 is about 548.8254383344.

The spelling of 165311360 in words is "one hundred sixty-five million, three hundred eleven thousand, three hundred sixty".