7116681 has 32 divisors (see below), whose sum is σ = 11394432. Its totient is φ = 3893760.

The previous prime is 7116679. The next prime is 7116689. The reversal of 7116681 is 1866117.

It is a happy number.

It is not a de Polignac number, because 7116681 - 2¹ = 7116679 is a prime.

It is a super-2 number, since 2×7116681² = 101294296911522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7116689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22581 + ... + 22893.

It is an arithmetic number, because the mean of its divisors is an integer number (356076).

Almost surely, 2^7116681 is an apocalyptic number.

It is an amenable number.

7116681 is a deficient number, since it is larger than the sum of its proper divisors (4277751).

7116681 is a wasteful number, since it uses less digits than its factorization.

7116681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its digits is 2016, while the sum is 30.

The square root of 7116681 is about 2667.7108164117. The cubic root of 7116681 is about 192.3501369164.

The spelling of 7116681 in words is "seven million, one hundred sixteen thousand, six hundred eighty-one".