165332705 has 16 divisors (see below), whose sum is σ = 207086544. Its totient is φ = 126597120.

The previous prime is 165332689. The next prime is 165332723. The reversal of 165332705 is 507233561.

It can be written as a sum of positive squares in 8 ways, for example, as 287296 + 165045409 = 536^2 + 12847^2 .

It is not a de Polignac number, because 165332705 - 2⁴ = 165332689 is a prime.

It is a Duffinian number.

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, 3257 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (12942909).

Almost surely, 2^165332705 is an apocalyptic number.

It is an amenable number.

165332705 is a deficient number, since it is larger than the sum of its proper divisors (41753839).

165332705 is a wasteful number, since it uses less digits than its factorization.

165332705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15316.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 165332705 is about 12858.1765814598. The cubic root of 165332705 is about 548.8490587616.

The spelling of 165332705 in words is "one hundred sixty-five million, three hundred thirty-two thousand, seven hundred five".