6897966916 has 27 divisors (see below), whose sum is σ = 12202788157. Its totient is φ = 3411858320.

The previous prime is 6897966871. The next prime is 6897966931. The reversal of 6897966916 is 6196697986.

The square root of 6897966916 is 83054.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 386122500 + 6511844416 = 19650^2 + 80696^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21759990 + ... + 21760306.

Almost surely, 2^6897966916 is an apocalyptic number.

6897966916 is the 83054-th square number.

It is an amenable number.

6897966916 is a deficient number, since it is larger than the sum of its proper divisors (5304821241).

6897966916 is an equidigital number, since it uses as much as digits as its factorization.

6897966916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 450 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 67.

The cubic root of 6897966916 is about 1903.5912609325.

The spelling of 6897966916 in words is "six billion, eight hundred ninety-seven million, nine hundred sixty-six thousand, nine hundred sixteen".