368159985 has 20 divisors (see below), whose sum is σ = 659961588. Its totient is φ = 196351776.

The previous prime is 368159969. The next prime is 368160019. The reversal of 368159985 is 589951863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151363809 + 216796176 = 12303^2 + 14724^2 .

It is not a de Polignac number, because 368159985 - 2⁴ = 368159969 is a prime.

It is a Curzon 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 19 ways as a sum of consecutive naturals, for example, 454114 + ... + 454923.

Almost surely, 2^368159985 is an apocalyptic number.

It is an amenable number.

368159985 is a deficient number, since it is larger than the sum of its proper divisors (291801603).

368159985 is an equidigital number, since it uses as much as digits as its factorization.

368159985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909054 (or 909045 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 368159985 is about 19187.4955374588. The cubic root of 368159985 is about 716.7134058815.

The spelling of 368159985 in words is "three hundred sixty-eight million, one hundred fifty-nine thousand, nine hundred eighty-five".