6366670333640 has 32 divisors (see below), whose sum is σ = 14325923770560. Its totient is φ = 2546505374400.

The previous prime is 6366670333619. The next prime is 6366670333717. The reversal of 6366670333640 is 463330766636.

It is a super-2 number, since 2×6366670333640² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451546 + ... + 5705225.

It is an arithmetic number, because the mean of its divisors is an integer number (447685117830).

Almost surely, 2^{6366670333640} is an apocalyptic number.

It is an amenable number.

6366670333640 is an abundant number, since it is smaller than the sum of its proper divisors (7959253436920).

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

6366670333640 is a wasteful number, since it uses less digits than its factorization.

6366670333640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172453 (or 10172449 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 53.

The spelling of 6366670333640 in words is "six trillion, three hundred sixty-six billion, six hundred seventy million, three hundred thirty-three thousand, six hundred forty".