8256616004441 has 4 divisors (see below), whose sum is σ = 9436132576512. Its totient is φ = 7077099432372.

The previous prime is 8256616004401. The next prime is 8256616004459. The reversal of 8256616004441 is 1444006166528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8256616004441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8256616004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589758286025 + ... + 589758286038.

It is an arithmetic number, because the mean of its divisors is an integer number (2359033144128).

Almost surely, 2^{8256616004441} is an apocalyptic number.

It is an amenable number.

8256616004441 is a deficient number, since it is larger than the sum of its proper divisors (1179516572071).

8256616004441 is a wasteful number, since it uses less digits than its factorization.

8256616004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179516572070.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 8256616004441 in words is "eight trillion, two hundred fifty-six billion, six hundred sixteen million, four thousand, four hundred forty-one".