6611671114489 has 27 divisors (see below), whose sum is σ = 7765941237327. Its totient is φ = 5612547324384.

The previous prime is 6611671114487. The next prime is 6611671114507. The reversal of 6611671114489 is 9844111761166.

The square root of 6611671114489 is 2571317.

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., 2188254525625 + 4423416588864 = 1479275^2 + 2103192^2 .

It is not a de Polignac number, because 6611671114489 - 2¹ = 6611671114487 is a prime.

It is a super-2 number, since 2×6611671114489² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6611671114481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1925914717 + ... + 1925918149.

Almost surely, 2^{6611671114489} is an apocalyptic number.

6611671114489 is the 2571317-th square number.

6611671114489 is the 1285659-th centered octagonal number.

It is an amenable number.

6611671114489 is a deficient number, since it is larger than the sum of its proper divisors (1154270122838).

6611671114489 is an frugal number, since it uses more digits than its factorization.

6611671114489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 3547 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 55.

The spelling of 6611671114489 in words is "six trillion, six hundred eleven billion, six hundred seventy-one million, one hundred fourteen thousand, four hundred eighty-nine".