165313841 has 16 divisors (see below), whose sum is σ = 206389248. Its totient is φ = 128638800.

The previous prime is 165313807. The next prime is 165313847. The reversal of 165313841 is 148313561.

It is a cyclic number.

It is not a de Polignac number, because 165313841 - 2⁶ = 165313777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165313798 and 165313807.

It is not an unprimeable number, because it can be changed into a prime (165313847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98576 + ... + 100238.

It is an arithmetic number, because the mean of its divisors is an integer number (12899328).

Almost surely, 2^165313841 is an apocalyptic number.

165313841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

165313841 is a deficient number, since it is larger than the sum of its proper divisors (41075407).

165313841 is a wasteful number, since it uses less digits than its factorization.

165313841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972.

The product of its digits is 8640, while the sum is 32.

The square root of 165313841 is about 12857.4430195121. The cubic root of 165313841 is about 548.8281839193.

The spelling of 165313841 in words is "one hundred sixty-five million, three hundred thirteen thousand, eight hundred forty-one".