366966865 has 4 divisors (see below), whose sum is σ = 440360244. Its totient is φ = 293573488.

The previous prime is 366966857. The next prime is 366966883. The reversal of 366966865 is 568669663.

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 184932801 + 182034064 = 13599^2 + 13492^2 .

It is a cyclic number.

It is not a de Polignac number, because 366966865 - 2³ = 366966857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36696682 + ... + 36696691.

It is an arithmetic number, because the mean of its divisors is an integer number (110090061).

Almost surely, 2^366966865 is an apocalyptic number.

It is an amenable number.

366966865 is a deficient number, since it is larger than the sum of its proper divisors (73393379).

366966865 is an equidigital number, since it uses as much as digits as its factorization.

366966865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73393378.

The product of its digits is 8398080, while the sum is 55.

The square root of 366966865 is about 19156.3792246865. The cubic root of 366966865 is about 715.9383347588.

The spelling of 366966865 in words is "three hundred sixty-six million, nine hundred sixty-six thousand, eight hundred sixty-five".