165354530 has 64 divisors (see below), whose sum is σ = 347656320. Its totient is φ = 55987200.

The previous prime is 165354493. The next prime is 165354547. The reversal of 165354530 is 35453561.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 126842 + ... + 128138.

It is an arithmetic number, because the mean of its divisors is an integer number (5432130).

Almost surely, 2^165354530 is an apocalyptic number.

165354530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165354530 is an abundant number, since it is smaller than the sum of its proper divisors (182301790).

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

165354530 is a wasteful number, since it uses less digits than its factorization.

165354530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 165354530 is about 12859.0252352190. The cubic root of 165354530 is about 548.8732082559.

The spelling of 165354530 in words is "one hundred sixty-five million, three hundred fifty-four thousand, five hundred thirty".