165730080 has 48 divisors (see below), whose sum is σ = 522051264. Its totient is φ = 44194560.

The previous prime is 165730079. The next prime is 165730091. The reversal of 165730080 is 80037561.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172156 + ... + 173115.

It is an arithmetic number, because the mean of its divisors is an integer number (10876068).

Almost surely, 2^165730080 is an apocalyptic number.

165730080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165730080 is an abundant number, since it is smaller than the sum of its proper divisors (356321184).

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

165730080 is a wasteful number, since it uses less digits than its factorization.

165730080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345289 (or 345281 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 165730080 is about 12873.6195376436. The cubic root of 165730080 is about 549.2884241311.

The spelling of 165730080 in words is "one hundred sixty-five million, seven hundred thirty thousand, eighty".