165044105 has 8 divisors (see below), whose sum is σ = 202659072. Its totient is φ = 128964528.

The previous prime is 165044083. The next prime is 165044137. The reversal of 165044105 is 501440561.

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 165044105 - 2⁸ = 165043849 is a prime.

It is a Duffinian 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, 383609 + ... + 384038.

It is an arithmetic number, because the mean of its divisors is an integer number (25332384).

Almost surely, 2^165044105 is an apocalyptic number.

It is an amenable number.

165044105 is a deficient number, since it is larger than the sum of its proper divisors (37614967).

165044105 is an equidigital number, since it uses as much as digits as its factorization.

165044105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767695.

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

The square root of 165044105 is about 12846.9492487516. The cubic root of 165044105 is about 548.5295210699.

Adding to 165044105 its reverse (501440561), we get a palindrome (666484666).

The spelling of 165044105 in words is "one hundred sixty-five million, forty-four thousand, one hundred five".