6557368823 has 4 divisors (see below), whose sum is σ = 6617528280. Its totient is φ = 6497209368.

The previous prime is 6557368799. The next prime is 6557368897. The reversal of 6557368823 is 3288637556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6557368823 - 2⁸ = 6557368567 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 (6557358823) 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, 30079565 + ... + 30079782.

It is an arithmetic number, because the mean of its divisors is an integer number (1654382070).

Almost surely, 2^6557368823 is an apocalyptic number.

6557368823 is a deficient number, since it is larger than the sum of its proper divisors (60159457).

6557368823 is a wasteful number, since it uses less digits than its factorization.

6557368823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60159456.

The product of its digits is 7257600, while the sum is 53.

The square root of 6557368823 is about 80977.5822249590. The cubic root of 6557368823 is about 1871.7300110991.

The spelling of 6557368823 in words is "six billion, five hundred fifty-seven million, three hundred sixty-eight thousand, eight hundred twenty-three".