38271256662661 has 24 divisors (see below), whose sum is σ = 43294727515104. Its totient is φ = 33549635192640.

The previous prime is 38271256662637. The next prime is 38271256662673. The reversal of 38271256662661 is 16626665217283.

It is not a de Polignac number, because 38271256662661 - 2¹⁹ = 38271256138373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38271256662661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38271256662631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4652211 + ... + 9908863.

It is an arithmetic number, because the mean of its divisors is an integer number (1803946979796).

Almost surely, 2^{38271256662661} is an apocalyptic number.

It is an amenable number.

38271256662661 is a deficient number, since it is larger than the sum of its proper divisors (5023470852443).

38271256662661 is a wasteful number, since it uses less digits than its factorization.

38271256662661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257509 (or 5257480 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The spelling of 38271256662661 in words is "thirty-eight trillion, two hundred seventy-one billion, two hundred fifty-six million, six hundred sixty-two thousand, six hundred sixty-one".