6365660665636 has 12 divisors (see below), whose sum is σ = 11350093074012. Its totient is φ = 3122776930208.

The previous prime is 6365660665607. The next prime is 6365660665669.

It is a happy number.

6365660665636 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 5880896603136 + 484764062500 = 2425056^2 + 696250^2 .

It is a super-3 number, since 3×6365660665636³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15013350415 + ... + 15013350838.

It is an arithmetic number, because the mean of its divisors is an integer number (945841089501).

Almost surely, 2^{6365660665636} is an apocalyptic number.

It is an amenable number.

6365660665636 is a deficient number, since it is larger than the sum of its proper divisors (4984432408376).

6365660665636 is a wasteful number, since it uses less digits than its factorization.

6365660665636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30026701310 (or 30026701308 counting only the distinct ones).

The product of its (nonzero) digits is 377913600, while the sum is 64.

The spelling of 6365660665636 in words is "six trillion, three hundred sixty-five billion, six hundred sixty million, six hundred sixty-five thousand, six hundred thirty-six".