6686938425192 has 16 divisors (see below), whose sum is σ = 16717346063040. Its totient is φ = 2228979475056.

The previous prime is 6686938425151. The next prime is 6686938425269. The reversal of 6686938425192 is 2915248396866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139311217168 + ... + 139311217215.

It is an arithmetic number, because the mean of its divisors is an integer number (1044834128940).

Almost surely, 2^{6686938425192} is an apocalyptic number.

It is an amenable number.

6686938425192 is an abundant number, since it is smaller than the sum of its proper divisors (10030407637848).

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

6686938425192 is a wasteful number, since it uses less digits than its factorization.

6686938425192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278622434392 (or 278622434388 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 69.

The spelling of 6686938425192 in words is "six trillion, six hundred eighty-six billion, nine hundred thirty-eight million, four hundred twenty-five thousand, one hundred ninety-two".