6536116512 has 72 divisors (see below), whose sum is σ = 19228039740. Its totient is φ = 2103575040.

The previous prime is 6536116501. The next prime is 6536116513. The reversal of 6536116512 is 2156116356.

6536116512 is a `hidden beast` number, since 6 + 536 + 116 + 5 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6508616976 + 27499536 = 80676^2 + 5244^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×6536116512² = 85441638116878092288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6536116513) 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 11 ways as a sum of consecutive naturals, for example, 382939 + ... + 399642.

Almost surely, 2^6536116512 is an apocalyptic number.

It is an amenable number.

6536116512 is an abundant number, since it is smaller than the sum of its proper divisors (12691923228).

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

6536116512 is a wasteful number, since it uses less digits than its factorization.

6536116512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782626 (or 782615 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 6536116512 is about 80846.2523064613. The cubic root of 6536116512 is about 1869.7057418731.

The spelling of 6536116512 in words is "six billion, five hundred thirty-six million, one hundred sixteen thousand, five hundred twelve".