3668687185 has 8 divisors (see below), whose sum is σ = 4402841256. Its totient is φ = 2934672000.

The previous prime is 3668687167. The next prime is 3668687207. The reversal of 3668687185 is 5817868663.

It can be written as a sum of positive squares in 4 ways, for example, as 150773841 + 3517913344 = 12279^2 + 59312^2 .

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

It is not a de Polignac number, because 3668687185 - 2¹⁷ = 3668556113 is a prime.

It is a super-2 number, since 2×3668687185² = 26918531322766448450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36787 + ... + 93223.

It is an arithmetic number, because the mean of its divisors is an integer number (550355157).

Almost surely, 2^3668687185 is an apocalyptic number.

It is an amenable number.

3668687185 is a deficient number, since it is larger than the sum of its proper divisors (734154071).

3668687185 is a wasteful number, since it uses less digits than its factorization.

3668687185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69443.

The product of its digits is 11612160, while the sum is 58.

The square root of 3668687185 is about 60569.6886652061. The cubic root of 3668687185 is about 1542.3048616303.

The spelling of 3668687185 in words is "three billion, six hundred sixty-eight million, six hundred eighty-seven thousand, one hundred eighty-five".