165464297 has 4 divisors (see below), whose sum is σ = 165632256. Its totient is φ = 165296340.

The previous prime is 165464291. The next prime is 165464311. The reversal of 165464297 is 792464561.

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: 792464561 = 7 ⋅113209223.

It is a cyclic number.

It is not a de Polignac number, because 165464297 - 2¹⁸ = 165202153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165464291) 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, 82493 + ... + 84474.

It is an arithmetic number, because the mean of its divisors is an integer number (41408064).

Almost surely, 2^165464297 is an apocalyptic number.

It is an amenable number.

165464297 is a deficient number, since it is larger than the sum of its proper divisors (167959).

165464297 is an equidigital number, since it uses as much as digits as its factorization.

165464297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167958.

The product of its digits is 362880, while the sum is 44.

The square root of 165464297 is about 12863.2926189215. The cubic root of 165464297 is about 548.9946338959.

The spelling of 165464297 in words is "one hundred sixty-five million, four hundred sixty-four thousand, two hundred ninety-seven".