165182461 has 4 divisors (see below), whose sum is σ = 165225312. Its totient is φ = 165139612.

The previous prime is 165182441. The next prime is 165182483. The reversal of 165182461 is 164281561.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165182461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165182441) 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, 15001 + ... + 23566.

It is an arithmetic number, because the mean of its divisors is an integer number (41306328).

Almost surely, 2^165182461 is an apocalyptic number.

It is an amenable number.

165182461 is a deficient number, since it is larger than the sum of its proper divisors (42851).

165182461 is an equidigital number, since it uses as much as digits as its factorization.

165182461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42850.

The product of its digits is 11520, while the sum is 34.

The square root of 165182461 is about 12852.3329010729. The cubic root of 165182461 is about 548.6827551676.

The spelling of 165182461 in words is "one hundred sixty-five million, one hundred eighty-two thousand, four hundred sixty-one".