817152834966 has 16 divisors (see below), whose sum is σ = 1760021490864. Its totient is φ = 251431641504.

The previous prime is 817152834937. The next prime is 817152834977. The reversal of 817152834966 is 669438251718.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238159121 + ... + 5238159276.

It is an arithmetic number, because the mean of its divisors is an integer number (110001343179).

Almost surely, 2^817152834966 is an apocalyptic number.

817152834966 is an abundant number, since it is smaller than the sum of its proper divisors (942868655898).

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

817152834966 is a wasteful number, since it uses less digits than its factorization.

817152834966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476318415.

The product of its digits is 17418240, while the sum is 60.

The spelling of 817152834966 in words is "eight hundred seventeen billion, one hundred fifty-two million, eight hundred thirty-four thousand, nine hundred sixty-six".