6663675550 has 24 divisors (see below), whose sum is σ = 14165071056. Its totient is φ = 2284688640.

The previous prime is 6663675509. The next prime is 6663675607. The reversal of 6663675550 is 555763666.

It is a junction number, because it is equal to n+sod(n) for n = 6663675494 and 6663675503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9519187 + ... + 9519886.

It is an arithmetic number, because the mean of its divisors is an integer number (590211294).

Almost surely, 2^6663675550 is an apocalyptic number.

6663675550 is an abundant number, since it is smaller than the sum of its proper divisors (7501395506).

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

6663675550 is a wasteful number, since it uses less digits than its factorization.

6663675550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039092 (or 19039087 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 49.

The square root of 6663675550 is about 81631.3392637901. The cubic root of 6663675550 is about 1881.7905408004.

The spelling of 6663675550 in words is "six billion, six hundred sixty-three million, six hundred seventy-five thousand, five hundred fifty".