165489086 has 16 divisors (see below), whose sum is σ = 291363936. Its totient is φ = 69006816.

The previous prime is 165489083. The next prime is 165489113. The reversal of 165489086 is 680984561.

It is a self number, because there is not a number n which added to its sum of digits gives 165489086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165489083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159221 + ... + 160256.

It is an arithmetic number, because the mean of its divisors is an integer number (18210246).

Almost surely, 2^165489086 is an apocalyptic number.

165489086 is a deficient number, since it is larger than the sum of its proper divisors (125874850).

165489086 is a wasteful number, since it uses less digits than its factorization.

165489086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319523.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 165489086 is about 12864.2561386191. The cubic root of 165489086 is about 549.0220483667.

The spelling of 165489086 in words is "one hundred sixty-five million, four hundred eighty-nine thousand, eighty-six".