165089682 has 12 divisors (see below), whose sum is σ = 357694350. Its totient is φ = 55029888.

The previous prime is 165089681. The next prime is 165089707. The reversal of 165089682 is 286980561.

It can be written as a sum of positive squares in only one way, i.e., 102030201 + 63059481 = 10101^2 + 7941^2 .

It is a super-2 number, since 2×165089682² = 54509206205722248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (165089681) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4585807 + ... + 4585842.

Almost surely, 2^165089682 is an apocalyptic number.

165089682 is an abundant number, since it is smaller than the sum of its proper divisors (192604668).

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

165089682 is a wasteful number, since it uses less digits than its factorization.

165089682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171657 (or 9171654 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 165089682 is about 12848.7229715641. The cubic root of 165089682 is about 548.5800086432.

The spelling of 165089682 in words is "one hundred sixty-five million, eighty-nine thousand, six hundred eighty-two".