6654499171 has 2 divisors, whose sum is σ = 6654499172. Its totient is φ = 6654499170.

The previous prime is 6654499147. The next prime is 6654499207. The reversal of 6654499171 is 1719944566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6654499171 - 2¹³ = 6654490979 is a prime.

It is not a weakly prime, because it can be changed into another prime (6654499871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327249585 + 3327249586.

It is an arithmetic number, because the mean of its divisors is an integer number (3327249586).

Almost surely, 2^6654499171 is an apocalyptic number.

6654499171 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654499171 is an equidigital number, since it uses as much as digits as its factorization.

6654499171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 6654499171 is about 81575.1136744534. The cubic root of 6654499171 is about 1880.9263552822.

The spelling of 6654499171 in words is "six billion, six hundred fifty-four million, four hundred ninety-nine thousand, one hundred seventy-one".