6536666356 has 36 divisors (see below), whose sum is σ = 12658155300. Its totient is φ = 2951238400.

The previous prime is 6536666299. The next prime is 6536666359.

6536666356 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 3209222500 + 3327443856 = 56650^2 + 57684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536666359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26796 + ... + 117436.

It is an arithmetic number, because the mean of its divisors is an integer number (351615425).

Almost surely, 2^6536666356 is an apocalyptic number.

It is an amenable number.

6536666356 is a deficient number, since it is larger than the sum of its proper divisors (6121488944).

6536666356 is a wasteful number, since it uses less digits than its factorization.

6536666356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90816 (or 90803 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 52.

The square root of 6536666356 is about 80849.6527883701. The cubic root of 6536666356 is about 1869.7581694196.

The spelling of 6536666356 in words is "six billion, five hundred thirty-six million, six hundred sixty-six thousand, three hundred fifty-six".