5333868661 has 4 divisors (see below), whose sum is σ = 5818765824. Its totient is φ = 4848971500.

The previous prime is 5333868623. The next prime is 5333868679. The reversal of 5333868661 is 1668683335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5333868661 - 2²⁷ = 5199650933 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5333868691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242448565 + ... + 242448586.

It is an arithmetic number, because the mean of its divisors is an integer number (1454691456).

Almost surely, 2^5333868661 is an apocalyptic number.

It is an amenable number.

5333868661 is a deficient number, since it is larger than the sum of its proper divisors (484897163).

5333868661 is a wasteful number, since it uses less digits than its factorization.

5333868661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484897162.

The product of its digits is 1866240, while the sum is 49.

The square root of 5333868661 is about 73033.3393800393. The cubic root of 5333868661 is about 1747.2193839909.

The spelling of 5333868661 in words is "five billion, three hundred thirty-three million, eight hundred sixty-eight thousand, six hundred sixty-one".