3826782161 has 24 divisors (see below), whose sum is σ = 4168894464. Its totient is φ = 3500340480.

The previous prime is 3826782149. The next prime is 3826782181. The reversal of 3826782161 is 1612876283.

It is not a de Polignac number, because 3826782161 - 2⁶ = 3826782097 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3826782101) 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, 6064316 + ... + 6064946.

It is an arithmetic number, because the mean of its divisors is an integer number (173703936).

Almost surely, 2^3826782161 is an apocalyptic number.

It is an amenable number.

3826782161 is a deficient number, since it is larger than the sum of its proper divisors (342112303).

3826782161 is a wasteful number, since it uses less digits than its factorization.

3826782161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 828 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 3826782161 is about 61860.9906241405. The cubic root of 3826782161 is about 1564.1482517276.

The spelling of 3826782161 in words is "three billion, eight hundred twenty-six million, seven hundred eighty-two thousand, one hundred sixty-one".