6916997964 has 12 divisors (see below), whose sum is σ = 16139661944. Its totient is φ = 2305665984.

The previous prime is 6916997963. The next prime is 6916997993. The reversal of 6916997964 is 4697996196.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 6916997895 and 6916997904.

It is not an unprimeable number, because it can be changed into a prime (6916997963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288208237 + ... + 288208260.

Almost surely, 2^6916997964 is an apocalyptic number.

It is an amenable number.

6916997964 is an abundant number, since it is smaller than the sum of its proper divisors (9222663980).

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

6916997964 is a wasteful number, since it uses less digits than its factorization.

6916997964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576416504 (or 576416502 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 66.

The square root of 6916997964 is about 83168.4914135155. The cubic root of 6916997964 is about 1905.3402821428.

The spelling of 6916997964 in words is "six billion, nine hundred sixteen million, nine hundred ninety-seven thousand, nine hundred sixty-four".