3668664133 has 4 divisors (see below), whose sum is σ = 3758143788. Its totient is φ = 3579184480.

The previous prime is 3668664091. The next prime is 3668664161. The reversal of 3668664133 is 3314668663.

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 409738564 + 3258925569 = 20242^2 + 57087^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668664133 - 2¹³ = 3668655941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668664163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44739766 + ... + 44739847.

It is an arithmetic number, because the mean of its divisors is an integer number (939535947).

Almost surely, 2^3668664133 is an apocalyptic number.

It is an amenable number.

3668664133 is a deficient number, since it is larger than the sum of its proper divisors (89479655).

3668664133 is an equidigital number, since it uses as much as digits as its factorization.

3668664133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89479654.

The product of its digits is 1119744, while the sum is 46.

The square root of 3668664133 is about 60569.4983717052. The cubic root of 3668664133 is about 1542.3016312934.

The spelling of 3668664133 in words is "three billion, six hundred sixty-eight million, six hundred sixty-four thousand, one hundred thirty-three".