6716726985 has 16 divisors (see below), whose sum is σ = 10753856064. Its totient is φ = 3579890112.

The previous prime is 6716726981. The next prime is 6716726987. The reversal of 6716726985 is 5896276176.

It is not a de Polignac number, because 6716726985 - 2² = 6716726981 is a prime.

It is a super-2 number, since 2×6716726985² = 90228842782054380450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6716726981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124162 + ... + 169851.

It is an arithmetic number, because the mean of its divisors is an integer number (672116004).

Almost surely, 2^6716726985 is an apocalyptic number.

It is an amenable number.

6716726985 is a deficient number, since it is larger than the sum of its proper divisors (4037129079).

6716726985 is a wasteful number, since it uses less digits than its factorization.

6716726985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295544.

The product of its digits is 7620480, while the sum is 57.

The square root of 6716726985 is about 81955.6403489107. The cubic root of 6716726985 is about 1886.7711716756.

The spelling of 6716726985 in words is "six billion, seven hundred sixteen million, seven hundred twenty-six thousand, nine hundred eighty-five".