165008441 has 4 divisors (see below), whose sum is σ = 177701412. Its totient is φ = 152315472.

The previous prime is 165008423. The next prime is 165008449. The reversal of 165008441 is 144800561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70627216 + 94381225 = 8404^2 + 9715^2 .

It is a cyclic number.

It is not a de Polignac number, because 165008441 - 2¹⁴ = 164992057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165008449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6346466 + ... + 6346491.

It is an arithmetic number, because the mean of its divisors is an integer number (44425353).

Almost surely, 2^165008441 is an apocalyptic number.

It is an amenable number.

165008441 is a deficient number, since it is larger than the sum of its proper divisors (12692971).

165008441 is a wasteful number, since it uses less digits than its factorization.

165008441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692970.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 165008441 is about 12845.5611399425. The cubic root of 165008441 is about 548.4900080640.

The spelling of 165008441 in words is "one hundred sixty-five million, eight thousand, four hundred forty-one".