6554663811 has 6 divisors (see below), whose sum is σ = 9467847740. Its totient is φ = 4369775868.

The previous prime is 6554663789. The next prime is 6554663821. The reversal of 6554663811 is 1183664556.

6554663811 is a `hidden beast` number, since 6 + 5 + 5 + 4 + 6 + 638 + 1 + 1 = 666.

6554663811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6554663811 - 2⁵ = 6554663779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6554663821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364147981 + ... + 364147998.

Almost surely, 2^6554663811 is an apocalyptic number.

6554663811 is a deficient number, since it is larger than the sum of its proper divisors (2913183929).

6554663811 is a wasteful number, since it uses less digits than its factorization.

6554663811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728295985 (or 728295982 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 6554663811 is about 80960.8782746334. The cubic root of 6554663811 is about 1871.4726035611.

The spelling of 6554663811 in words is "six billion, five hundred fifty-four million, six hundred sixty-three thousand, eight hundred eleven".