8581341228657 has 16 divisors (see below), whose sum is σ = 11885938807680. Its totient is φ = 5502749436800.

The previous prime is 8581341228587. The next prime is 8581341228671. The reversal of 8581341228657 is 7568221431858.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8581341228657 - 2¹⁹ = 8581340704369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8581341228657.

It is not an unprimeable number, because it can be changed into a prime (8581341228697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491308182 + ... + 491325647.

It is an arithmetic number, because the mean of its divisors is an integer number (742871175480).

Almost surely, 2^{8581341228657} is an apocalyptic number.

It is an amenable number.

8581341228657 is a deficient number, since it is larger than the sum of its proper divisors (3304597579023).

8581341228657 is a wasteful number, since it uses less digits than its factorization.

8581341228657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982633944.

The product of its digits is 25804800, while the sum is 60.

The spelling of 8581341228657 in words is "eight trillion, five hundred eighty-one billion, three hundred forty-one million, two hundred twenty-eight thousand, six hundred fifty-seven".