3816377627665 has 8 divisors (see below), whose sum is σ = 4579777019520. Its totient is φ = 3053019524592.

The previous prime is 3816377627663. The next prime is 3816377627717. The reversal of 3816377627665 is 5667267736183.

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

It is a cyclic number.

It is not a de Polignac number, because 3816377627665 - 2¹ = 3816377627663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3816377627665.

It is not an unprimeable number, because it can be changed into a prime (3816377627663) by changing a digit.

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, 10118479 + ... + 10488868.

It is an arithmetic number, because the mean of its divisors is an integer number (572472127440).

Almost surely, 2^{3816377627665} is an apocalyptic number.

It is an amenable number.

3816377627665 is a deficient number, since it is larger than the sum of its proper divisors (763399391855).

3816377627665 is a wasteful number, since it uses less digits than its factorization.

3816377627665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20644391.

The product of its digits is 320060160, while the sum is 67.

The spelling of 3816377627665 in words is "three trillion, eight hundred sixteen billion, three hundred seventy-seven million, six hundred twenty-seven thousand, six hundred sixty-five".