6675000638 has 16 divisors (see below), whose sum is σ = 10088960400. Its totient is φ = 3312055296.

The previous prime is 6675000617. The next prime is 6675000643. The reversal of 6675000638 is 8360005766.

It is a junction number, because it is equal to n+sod(n) for n = 6675000595 and 6675000604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333881 + ... + 353307.

It is an arithmetic number, because the mean of its divisors is an integer number (630560025).

Almost surely, 2^6675000638 is an apocalyptic number.

6675000638 is a deficient number, since it is larger than the sum of its proper divisors (3413959762).

6675000638 is a wasteful number, since it uses less digits than its factorization.

6675000638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20731.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 6675000638 is about 81700.6770963375. The cubic root of 6675000638 is about 1882.8559879190.

The spelling of 6675000638 in words is "six billion, six hundred seventy-five million, six hundred thirty-eight", and thus it is an aban number.