165382601 has 8 divisors (see below), whose sum is σ = 169439424. Its totient is φ = 161335440.

The previous prime is 165382597. The next prime is 165382639. The reversal of 165382601 is 106283561.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 165382601 - 2² = 165382597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165382661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42020 + ... + 45786.

It is an arithmetic number, because the mean of its divisors is an integer number (21179928).

Almost surely, 2^165382601 is an apocalyptic number.

It is an amenable number.

165382601 is a deficient number, since it is larger than the sum of its proper divisors (4056823).

165382601 is a wasteful number, since it uses less digits than its factorization.

165382601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 165382601 is about 12860.1166790974. The cubic root of 165382601 is about 548.9042658630.

The spelling of 165382601 in words is "one hundred sixty-five million, three hundred eighty-two thousand, six hundred one".