8113336985664 has 147 divisors (see below), whose sum is σ = 24140642803327. Its totient is φ = 2704240577664.

The previous prime is 8113336985657. The next prime is 8113336985671. The reversal of 8113336985664 is 4665896333118.

The square root of 8113336985664 is 2848392.

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

8113336985664 is a `hidden beast` number, since 8 + 1 + 1 + 3 + 3 + 3 + 69 + 8 + 566 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (8113336985657) and next prime (8113336985671).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 615246079 + ... + 615259265.

Almost surely, 2^{8113336985664} is an apocalyptic number.

8113336985664 is the 2848392-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8113336985664

8113336985664 is an abundant number, since it is smaller than the sum of its proper divisors (16027305817663).

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

8113336985664 is an frugal number, since it uses more digits than its factorization.

8113336985664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26404 (or 13192 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 8113336985664 in words is "eight trillion, one hundred thirteen billion, three hundred thirty-six million, nine hundred eighty-five thousand, six hundred sixty-four".