165073411 has 4 divisors (see below), whose sum is σ = 166124992. Its totient is φ = 164021832.

The previous prime is 165073399. The next prime is 165073439. The reversal of 165073411 is 114370561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114370561 = 311 ⋅367751.

It is a cyclic number.

It is not a de Polignac number, because 165073411 - 2⁷ = 165073283 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 165073411.

It is not an unprimeable number, because it can be changed into a prime (165073511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525555 + ... + 525868.

It is an arithmetic number, because the mean of its divisors is an integer number (41531248).

Almost surely, 2^165073411 is an apocalyptic number.

165073411 is a deficient number, since it is larger than the sum of its proper divisors (1051581).

165073411 is a wasteful number, since it uses less digits than its factorization.

165073411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051580.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 165073411 is about 12848.0897801969. The cubic root of 165073411 is about 548.5619856340.

The spelling of 165073411 in words is "one hundred sixty-five million, seventy-three thousand, four hundred eleven".