404165111 has 8 divisors (see below), whose sum is σ = 463276320. Its totient is φ = 345397248.

The previous prime is 404165107. The next prime is 404165137. The reversal of 404165111 is 111561404.

It is a happy number.

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

It is not a de Polignac number, because 404165111 - 2² = 404165107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404165161) 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, 83306 + ... + 88023.

It is an arithmetic number, because the mean of its divisors is an integer number (57909540).

Almost surely, 2^404165111 is an apocalyptic number.

404165111 is a deficient number, since it is larger than the sum of its proper divisors (59111209).

404165111 is a wasteful number, since it uses less digits than its factorization.

404165111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171673.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 404165111 is about 20103.8581123127. The cubic root of 404165111 is about 739.3548741981.

The spelling of 404165111 in words is "four hundred four million, one hundred sixty-five thousand, one hundred eleven".