817326956106 has 24 divisors (see below), whose sum is σ = 1778676292224. Its totient is φ = 271242130920.

The previous prime is 817326956077. The next prime is 817326956141. The reversal of 817326956106 is 601659623718.

817326956106 is a `hidden beast` number, since 8 + 1 + 73 + 2 + 6 + 9 + 561 + 0 + 6 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100011450 + ... + 100019621.

It is an arithmetic number, because the mean of its divisors is an integer number (74111512176).

Almost surely, 2^817326956106 is an apocalyptic number.

817326956106 is an abundant number, since it is smaller than the sum of its proper divisors (961349336118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

817326956106 is a wasteful number, since it uses less digits than its factorization.

817326956106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200031306 (or 200031303 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 817326956106 in words is "eight hundred seventeen billion, three hundred twenty-six million, nine hundred fifty-six thousand, one hundred six".