361165005 has 18 divisors (see below), whose sum is σ = 626240394. Its totient is φ = 192553344.

The previous prime is 361165003. The next prime is 361165009. The reversal of 361165005 is 500561163.

It is a happy number.

361165005 is a `hidden beast` number, since 3 + 6 + 1 + 1 + 650 + 0 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 16208676 + 344956329 = 4026^2 + 18573^2 .

It is not a de Polignac number, because 361165005 - 2¹ = 361165003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 361165005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361165003) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 126069 + ... + 128901.

It is an arithmetic number, because the mean of its divisors is an integer number (34791133).

Almost surely, 2^361165005 is an apocalyptic number.

It is an amenable number.

361165005 is a deficient number, since it is larger than the sum of its proper divisors (265075389).

361165005 is an frugal number, since it uses more digits than its factorization.

361165005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 361165005 is about 19004.3417407707. The cubic root of 361165005 is about 712.1452047042.

The spelling of 361165005 in words is "three hundred sixty-one million, one hundred sixty-five thousand, five".