165325706 has 24 divisors (see below), whose sum is σ = 310669380. Its totient is φ = 65403072.

The previous prime is 165325703. The next prime is 165325711. The reversal of 165325706 is 607523561.

It can be written as a sum of positive squares in 2 ways, for example, as 161061481 + 4264225 = 12691^2 + 2065^2 .

It is not an unprimeable number, because it can be changed into a prime (165325703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63611 + ... + 66158.

Almost surely, 2^165325706 is an apocalyptic number.

165325706 is a deficient number, since it is larger than the sum of its proper divisors (145343674).

165325706 is a wasteful number, since it uses less digits than its factorization.

165325706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129798 (or 129791 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 165325706 is about 12857.9044171280. The cubic root of 165325706 is about 548.8413138758.

The spelling of 165325706 in words is "one hundred sixty-five million, three hundred twenty-five thousand, seven hundred six".