383271685656 has 32 divisors (see below), whose sum is σ = 958207849200. Its totient is φ = 127753410560.

The previous prime is 383271685649. The next prime is 383271685691. The reversal of 383271685656 is 656586172383.

It is a self number, because there is not a number n which added to its sum of digits gives 383271685656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648496 + ... + 1089536.

Almost surely, 2^383271685656 is an apocalyptic number.

It is an amenable number.

383271685656 is an abundant number, since it is smaller than the sum of its proper divisors (574936163544).

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

383271685656 is a wasteful number, since it uses less digits than its factorization.

383271685656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477259 (or 477255 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 60.

The spelling of 383271685656 in words is "three hundred eighty-three billion, two hundred seventy-one million, six hundred eighty-five thousand, six hundred fifty-six".