2553643366 has 16 divisors (see below), whose sum is σ = 3900353040. Its totient is φ = 1253602080.

The previous prime is 2553643331. The next prime is 2553643381. The reversal of 2553643366 is 6633463552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49165 + ... + 86743.

It is an arithmetic number, because the mean of its divisors is an integer number (243772065).

Almost surely, 2^2553643366 is an apocalyptic number.

2553643366 is a deficient number, since it is larger than the sum of its proper divisors (1346709674).

2553643366 is a wasteful number, since it uses less digits than its factorization.

2553643366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38199.

The product of its digits is 1166400, while the sum is 43.

The square root of 2553643366 is about 50533.5865143174. The cubic root of 2553643366 is about 1366.8475593859.

The spelling of 2553643366 in words is "two billion, five hundred fifty-three million, six hundred forty-three thousand, three hundred sixty-six".