165022541 has 8 divisors (see below), whose sum is σ = 168340800. Its totient is φ = 161729568.

The previous prime is 165022523. The next prime is 165022567. The reversal of 165022541 is 145220561.

165022541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165022541 - 2¹⁴ = 165006157 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 165022541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165022591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7145 + ... + 19521.

It is an arithmetic number, because the mean of its divisors is an integer number (21042600).

Almost surely, 2^165022541 is an apocalyptic number.

It is an amenable number.

165022541 is a deficient number, since it is larger than the sum of its proper divisors (3318259).

165022541 is a wasteful number, since it uses less digits than its factorization.

165022541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 165022541 is about 12846.1099559361. The cubic root of 165022541 is about 548.5056304746.

The spelling of 165022541 in words is "one hundred sixty-five million, twenty-two thousand, five hundred forty-one".