165532606 has 8 divisors (see below), whose sum is σ = 248354640. Its totient is φ = 82747728.

The previous prime is 165532603. The next prime is 165532651. The reversal of 165532606 is 606235561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165532603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9255 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (31044330).

Almost surely, 2^165532606 is an apocalyptic number.

165532606 is a deficient number, since it is larger than the sum of its proper divisors (82822034).

165532606 is a wasteful number, since it uses less digits than its factorization.

165532606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 165532606 is about 12865.9475360348. The cubic root of 165532606 is about 549.0701710676.

The spelling of 165532606 in words is "one hundred sixty-five million, five hundred thirty-two thousand, six hundred six".