165027461 has 4 divisors (see below), whose sum is σ = 172202592. Its totient is φ = 157852332.

The previous prime is 165027451. The next prime is 165027469. The reversal of 165027461 is 164720561.

165027461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 164720561 = 433 ⋅380417.

It is a cyclic number.

It is not a de Polignac number, because 165027461 - 2¹⁸ = 164765317 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 (165027469) 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, 3587531 + ... + 3587576.

It is an arithmetic number, because the mean of its divisors is an integer number (43050648).

Almost surely, 2^165027461 is an apocalyptic number.

It is an amenable number.

165027461 is a deficient number, since it is larger than the sum of its proper divisors (7175131).

165027461 is an equidigital number, since it uses as much as digits as its factorization.

165027461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175130.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 165027461 is about 12846.3014521690. The cubic root of 165027461 is about 548.5110814893.

The spelling of 165027461 in words is "one hundred sixty-five million, twenty-seven thousand, four hundred sixty-one".