165428411 has 8 divisors (see below), whose sum is σ = 175360464. Its totient is φ = 155518720.

The previous prime is 165428381. The next prime is 165428429. The reversal of 165428411 is 114824561.

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

It is not a de Polignac number, because 165428411 - 2¹⁰ = 165427387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165428491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11096 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (21920058).

Almost surely, 2^165428411 is an apocalyptic number.

165428411 is a deficient number, since it is larger than the sum of its proper divisors (9932053).

165428411 is a wasteful number, since it uses less digits than its factorization.

165428411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11181.

The product of its digits is 7680, while the sum is 32.

The square root of 165428411 is about 12861.8976438160. The cubic root of 165428411 is about 548.9549422600.

The spelling of 165428411 in words is "one hundred sixty-five million, four hundred twenty-eight thousand, four hundred eleven".