165545334 has 12 divisors (see below), whose sum is σ = 358681596. Its totient is φ = 55181772.

The previous prime is 165545323. The next prime is 165545357. The reversal of 165545334 is 433545561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4598464 + ... + 4598499.

It is an arithmetic number, because the mean of its divisors is an integer number (29890133).

Almost surely, 2^165545334 is an apocalyptic number.

165545334 is an abundant number, since it is smaller than the sum of its proper divisors (193136262).

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

165545334 is a wasteful number, since it uses less digits than its factorization.

165545334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196971 (or 9196968 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 165545334 is about 12866.4421655716. The cubic root of 165545334 is about 549.0842435943.

The spelling of 165545334 in words is "one hundred sixty-five million, five hundred forty-five thousand, three hundred thirty-four".