3116536578 has 48 divisors (see below), whose sum is σ = 6999782400. Its totient is φ = 1001085120.

The previous prime is 3116536573. The next prime is 3116536589. The reversal of 3116536578 is 8756356113.

3116536578 is a `hidden beast` number, since 3 + 11 + 65 + 3 + 6 + 578 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3116536573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121678 + ... + 145046.

It is an arithmetic number, because the mean of its divisors is an integer number (145828800).

Almost surely, 2^3116536578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3116536578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499891200).

3116536578 is an abundant number, since it is smaller than the sum of its proper divisors (3883245822).

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

3116536578 is a wasteful number, since it uses less digits than its factorization.

3116536578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647 (or 23644 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 3116536578 is about 55825.9489664081. The cubic root of 3116536578 is about 1460.6878253394.

The spelling of 3116536578 in words is "three billion, one hundred sixteen million, five hundred thirty-six thousand, five hundred seventy-eight".