3616643133 has 6 divisors (see below), whose sum is σ = 5224040094. Its totient is φ = 2411095416.

The previous prime is 3616643131. The next prime is 3616643171. The reversal of 3616643133 is 3313466163.

3616643133 is a `hidden beast` number, since 3 + 6 + 1 + 6 + 643 + 1 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3585973689 + 30669444 = 59883^2 + 5538^2 .

It is not a de Polignac number, because 3616643133 - 2¹ = 3616643131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3616643131) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 200924610 + ... + 200924627.

It is an arithmetic number, because the mean of its divisors is an integer number (870673349).

Almost surely, 2^3616643133 is an apocalyptic number.

It is an amenable number.

3616643133 is a deficient number, since it is larger than the sum of its proper divisors (1607396961).

3616643133 is a wasteful number, since it uses less digits than its factorization.

3616643133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401849243 (or 401849240 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 3616643133 is about 60138.5328470857. The cubic root of 3616643133 is about 1534.9770474062.

The spelling of 3616643133 in words is "three billion, six hundred sixteen million, six hundred forty-three thousand, one hundred thirty-three".