361318018 has 8 divisors (see below), whose sum is σ = 560665980. Its totient is φ = 174429360.

The previous prime is 361317961. The next prime is 361318019. The reversal of 361318018 is 810813163.

It can be written as a sum of positive squares in 2 ways, for example, as 348307569 + 13010449 = 18663^2 + 3607^2 .

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

It is not an unprimeable number, because it can be changed into a prime (361318019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114753 + ... + 3114868.

Almost surely, 2^361318018 is an apocalyptic number.

361318018 is a deficient number, since it is larger than the sum of its proper divisors (199347962).

361318018 is a wasteful number, since it uses less digits than its factorization.

361318018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229652.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 361318018 is about 19008.3670524325. The cubic root of 361318018 is about 712.2457608560.

The spelling of 361318018 in words is "three hundred sixty-one million, three hundred eighteen thousand, eighteen".