817132834116 has 27 divisors (see below), whose sum is σ = 2065543929631. Its totient is φ = 272375803464.

The previous prime is 817132834109. The next prime is 817132834211. The reversal of 817132834116 is 611438231718.

The square root of 817132834116 is 903954.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5348395 + ... + 5499053.

Almost surely, 2^817132834116 is an apocalyptic number.

817132834116 is the 903954-th square number.

It is an amenable number.

817132834116 is an abundant number, since it is smaller than the sum of its proper divisors (1248411095515).

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

817132834116 is an frugal number, since it uses more digits than its factorization.

817132834116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301328 (or 150664 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 817132834116 in words is "eight hundred seventeen billion, one hundred thirty-two million, eight hundred thirty-four thousand, one hundred sixteen".