165160011 has 4 divisors (see below), whose sum is σ = 220213352. Its totient is φ = 110106672.

The previous prime is 165160003. The next prime is 165160019. The reversal of 165160011 is 110061561.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (165160003) and next prime (165160019).

It is not a de Polignac number, because 165160011 - 2³ = 165160003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165160011.

It is not an unprimeable number, because it can be changed into a prime (165160019) 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, 27526666 + ... + 27526671.

It is an arithmetic number, because the mean of its divisors is an integer number (55053338).

Almost surely, 2^165160011 is an apocalyptic number.

165160011 is a deficient number, since it is larger than the sum of its proper divisors (55053341).

165160011 is an equidigital number, since it uses as much as digits as its factorization.

165160011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55053340.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 165160011 is about 12851.4594891008. The cubic root of 165160011 is about 548.6578968264.

The spelling of 165160011 in words is "one hundred sixty-five million, one hundred sixty thousand, eleven".