366540065 has 8 divisors (see below), whose sum is σ = 440947368. Its totient is φ = 292499200.

The previous prime is 366540047. The next prime is 366540067. The reversal of 366540065 is 560045663.

It can be written as a sum of positive squares in 4 ways, for example, as 261436561 + 105103504 = 16169^2 + 10252^2 .

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

It is not a de Polignac number, because 366540065 - 2¹⁴ = 366523681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366540067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89402 + ... + 93411.

It is an arithmetic number, because the mean of its divisors is an integer number (55118421).

Almost surely, 2^366540065 is an apocalyptic number.

It is an amenable number.

366540065 is a deficient number, since it is larger than the sum of its proper divisors (74407303).

366540065 is a wasteful number, since it uses less digits than its factorization.

366540065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183219.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 366540065 is about 19145.2360915190. The cubic root of 366540065 is about 715.6606702534.

The spelling of 366540065 in words is "three hundred sixty-six million, five hundred forty thousand, sixty-five".