165034497 has 4 divisors (see below), whose sum is σ = 220046000. Its totient is φ = 110022996.

The previous prime is 165034477. The next prime is 165034501. The reversal of 165034497 is 794430561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 794430561 = 3 ⋅264810187.

It is not a de Polignac number, because 165034497 - 2¹¹ = 165032449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165034427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27505747 + ... + 27505752.

It is an arithmetic number, because the mean of its divisors is an integer number (55011500).

Almost surely, 2^165034497 is an apocalyptic number.

It is an amenable number.

165034497 is a deficient number, since it is larger than the sum of its proper divisors (55011503).

165034497 is an equidigital number, since it uses as much as digits as its factorization.

165034497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55011502.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 165034497 is about 12846.5753023909. The cubic root of 165034497 is about 548.5188766952.

The spelling of 165034497 in words is "one hundred sixty-five million, thirty-four thousand, four hundred ninety-seven".