6673655556 has 48 divisors (see below), whose sum is σ = 17704456000. Its totient is φ = 2172816576.

The previous prime is 6673655509. The next prime is 6673655557. The reversal of 6673655556 is 6555563766.

It is a happy number.

6673655556 is a `hidden beast` number, since 6 + 6 + 7 + 36 + 55 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6673655557) 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 15 ways as a sum of consecutive naturals, for example, 713881 + ... + 723168.

Almost surely, 2^6673655556 is an apocalyptic number.

It is an amenable number.

6673655556 is an abundant number, since it is smaller than the sum of its proper divisors (11030800444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6673655556 is a wasteful number, since it uses less digits than its factorization.

6673655556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437105 (or 1437097 counting only the distinct ones).

The product of its digits is 17010000, while the sum is 54.

The square root of 6673655556 is about 81692.4449138352. Note that the first 3 decimals coincide. The cubic root of 6673655556 is about 1882.7295077397.

The spelling of 6673655556 in words is "six billion, six hundred seventy-three million, six hundred fifty-five thousand, five hundred fifty-six".