3668536870018 has 8 divisors (see below), whose sum is σ = 5503145263740. Its totient is φ = 1834155115440.

The previous prime is 3668536869997. The next prime is 3668536870039. The reversal of 3668536870018 is 8100786358663.

It is an interprime number because it is at equal distance from previous prime (3668536869997) and next prime (3668536870039).

It can be written as a sum of positive squares in 2 ways, for example, as 3629127870729 + 39408999289 = 1905027^2 + 198517^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56619313 + ... + 56684068.

Almost surely, 2^{3668536870018} is an apocalyptic number.

3668536870018 is a deficient number, since it is larger than the sum of its proper divisors (1834608393722).

3668536870018 is a wasteful number, since it uses less digits than its factorization.

3668536870018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113319572.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 3668536870018 in words is "three trillion, six hundred sixty-eight billion, five hundred thirty-six million, eight hundred seventy thousand, eighteen".