165273160 has 64 divisors (see below), whose sum is σ = 407332800. Its totient is φ = 59978496.

The previous prime is 165273151. The next prime is 165273203. The reversal of 165273160 is 61372561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27987 + ... + 33373.

It is an arithmetic number, because the mean of its divisors is an integer number (6364575).

Almost surely, 2^165273160 is an apocalyptic number.

165273160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165273160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203666400).

165273160 is an abundant number, since it is smaller than the sum of its proper divisors (242059640).

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

165273160 is a wasteful number, since it uses less digits than its factorization.

165273160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470 (or 5466 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 165273160 is about 12855.8609202185. The cubic root of 165273160 is about 548.7831610487.

The spelling of 165273160 in words is "one hundred sixty-five million, two hundred seventy-three thousand, one hundred sixty".