8118537336 has 480 divisors, whose sum is σ = 29222313120. Its totient is φ = 2049131520.

The previous prime is 8118537311. The next prime is 8118537359. The reversal of 8118537336 is 6337358118.

8118537336 is a `hidden beast` number, since 81 + 1 + 8 + 537 + 3 + 36 = 666.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 8118537291 and 8118537300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 133090746 + ... + 133090806.

It is an arithmetic number, because the mean of its divisors is an integer number (60879819).

Almost surely, 2^8118537336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8118537336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14611156560).

8118537336 is an abundant number, since it is smaller than the sum of its proper divisors (21103775784).

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

8118537336 is a wasteful number, since it uses less digits than its factorization.

8118537336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 123 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 8118537336 is about 90102.9263453746. The cubic root of 8118537336 is about 2009.8297204825.

The spelling of 8118537336 in words is "eight billion, one hundred eighteen million, five hundred thirty-seven thousand, three hundred thirty-six".