165440014 has 4 divisors (see below), whose sum is σ = 248160024. Its totient is φ = 82720006.

The previous prime is 165439933. The next prime is 165440027. The reversal of 165440014 is 410044561.

165440014 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 an emirpimes, since its reverse is a distinct semiprime: 410044561 = 971 ⋅422291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41360002 + ... + 41360005.

It is an arithmetic number, because the mean of its divisors is an integer number (62040006).

Almost surely, 2^165440014 is an apocalyptic number.

165440014 is a deficient number, since it is larger than the sum of its proper divisors (82720010).

165440014 is an equidigital number, since it uses as much as digits as its factorization.

165440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82720009.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 165440014 is about 12862.3486968749. The cubic root of 165440014 is about 548.9677763620.

Adding to 165440014 its reverse (410044561), we get a palindrome (575484575).

The spelling of 165440014 in words is "one hundred sixty-five million, four hundred forty thousand, fourteen".