165350497 has 8 divisors (see below), whose sum is σ = 183814400. Its totient is φ = 147707280.

The previous prime is 165350491. The next prime is 165350501. The reversal of 165350497 is 794053561.

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 165350497 - 2¹⁵ = 165317729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165350491) 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 7 ways as a sum of consecutive naturals, for example, 204747 + ... + 205552.

It is an arithmetic number, because the mean of its divisors is an integer number (22976800).

Almost surely, 2^165350497 is an apocalyptic number.

It is an amenable number.

165350497 is a deficient number, since it is larger than the sum of its proper divisors (18463903).

165350497 is a wasteful number, since it uses less digits than its factorization.

165350497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410343.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 165350497 is about 12858.8684183329. The cubic root of 165350497 is about 548.8687458771.

The spelling of 165350497 in words is "one hundred sixty-five million, three hundred fifty thousand, four hundred ninety-seven".