442164165 has 8 divisors (see below), whose sum is σ = 707462688. Its totient is φ = 235820880.

The previous prime is 442164137. The next prime is 442164197. The reversal of 442164165 is 561461244.

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

It is not a de Polignac number, because 442164165 - 2⁵ = 442164133 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14738791 + ... + 14738820.

It is an arithmetic number, because the mean of its divisors is an integer number (88432836).

Almost surely, 2^442164165 is an apocalyptic number.

It is an amenable number.

442164165 is a deficient number, since it is larger than the sum of its proper divisors (265298523).

442164165 is a wasteful number, since it uses less digits than its factorization.

442164165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29477619.

The product of its digits is 23040, while the sum is 33.

The square root of 442164165 is about 21027.6999455480. The cubic root of 442164165 is about 761.8354557534.

It can be divided in two parts, 4421 and 64165, that added together give a palindrome (68586).

The spelling of 442164165 in words is "four hundred forty-two million, one hundred sixty-four thousand, one hundred sixty-five".