6660894316 has 6 divisors (see below), whose sum is σ = 11656565060. Its totient is φ = 3330447156.

The previous prime is 6660894313. The next prime is 6660894413. The reversal of 6660894316 is 6134980666.

It is a super-2 number, since 2×6660894316² = 88735026177842215712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6660894316.

It is not an unprimeable number, because it can be changed into a prime (6660894313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832611786 + ... + 832611793.

Almost surely, 2^6660894316 is an apocalyptic number.

It is an amenable number.

6660894316 is a deficient number, since it is larger than the sum of its proper divisors (4995670744).

6660894316 is a wasteful number, since it uses less digits than its factorization.

6660894316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665223583 (or 1665223581 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 6660894316 is about 81614.3021534829. The cubic root of 6660894316 is about 1881.5287019150.

The spelling of 6660894316 in words is "six billion, six hundred sixty million, eight hundred ninety-four thousand, three hundred sixteen".