360003661 has 4 divisors (see below), whose sum is σ = 364935292. Its totient is φ = 355072032.

The previous prime is 360003647. The next prime is 360003667. The reversal of 360003661 is 166300063.

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 113827561 + 246176100 = 10669^2 + 15690^2 .

It is a cyclic number.

It is not a de Polignac number, because 360003661 - 2⁵ = 360003629 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 (360003667) 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, 2465706 + ... + 2465851.

It is an arithmetic number, because the mean of its divisors is an integer number (91233823).

Almost surely, 2^360003661 is an apocalyptic number.

It is an amenable number.

360003661 is a deficient number, since it is larger than the sum of its proper divisors (4931631).

360003661 is an equidigital number, since it uses as much as digits as its factorization.

360003661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931630.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 360003661 is about 18973.7624365859. The cubic root of 360003661 is about 711.3810723318.

The spelling of 360003661 in words is "three hundred sixty million, three thousand, six hundred sixty-one".