6716835981 has 20 divisors (see below), whose sum is σ = 10470046752. Its totient is φ = 4283198568.

The previous prime is 6716835929. The next prime is 6716835997. The reversal of 6716835981 is 1895386176.

It is not a de Polignac number, because 6716835981 - 2¹¹ = 6716833933 is a prime.

It is a super-2 number, since 2×6716835981² = 90231771191312464722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716835911) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1800831 + ... + 1804556.

Almost surely, 2^6716835981 is an apocalyptic number.

It is an amenable number.

6716835981 is a deficient number, since it is larger than the sum of its proper divisors (3753210771).

6716835981 is a wasteful number, since it uses less digits than its factorization.

6716835981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605422 (or 3605413 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 6716835981 is about 81956.3053156986. The cubic root of 6716835981 is about 1886.7813775094.

The spelling of 6716835981 in words is "six billion, seven hundred sixteen million, eight hundred thirty-five thousand, nine hundred eighty-one".