38656345966 has 8 divisors (see below), whose sum is σ = 66268021680. Its totient is φ = 16567005408.

The previous prime is 38656345921. The next prime is 38656345991. The reversal of 38656345966 is 66954365683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380583771 + ... + 1380583798.

It is an arithmetic number, because the mean of its divisors is an integer number (8283502710).

Almost surely, 2^38656345966 is an apocalyptic number.

38656345966 is a deficient number, since it is larger than the sum of its proper divisors (27611675714).

38656345966 is a wasteful number, since it uses less digits than its factorization.

38656345966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761167578.

The product of its digits is 83980800, while the sum is 61.

The spelling of 38656345966 in words is "thirty-eight billion, six hundred fifty-six million, three hundred forty-five thousand, nine hundred sixty-six".