165134460 has 48 divisors (see below), whose sum is σ = 462938112. Its totient is φ = 43982400.

The previous prime is 165134423. The next prime is 165134461. The reversal of 165134460 is 64431561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165134461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87325 + ... + 89195.

It is an arithmetic number, because the mean of its divisors is an integer number (9644544).

Almost surely, 2^165134460 is an apocalyptic number.

165134460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165134460 is an abundant number, since it is smaller than the sum of its proper divisors (297803652).

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

165134460 is a wasteful number, since it uses less digits than its factorization.

165134460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 165134460 is about 12850.4653612233. The cubic root of 165134460 is about 548.6296020819.

The spelling of 165134460 in words is "one hundred sixty-five million, one hundred thirty-four thousand, four hundred sixty".