6610166723 has 2 divisors, whose sum is σ = 6610166724. Its totient is φ = 6610166722.

The previous prime is 6610166711. The next prime is 6610166749. The reversal of 6610166723 is 3276610166.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6610166723 - 2⁶ = 6610166659 is a prime.

It is not a weakly prime, because it can be changed into another prime (6610166323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305083361 + 3305083362.

It is an arithmetic number, because the mean of its divisors is an integer number (3305083362).

Almost surely, 2^6610166723 is an apocalyptic number.

6610166723 is a deficient number, since it is larger than the sum of its proper divisors (1).

6610166723 is an equidigital number, since it uses as much as digits as its factorization.

6610166723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 6610166723 is about 81302.9318229054. The cubic root of 6610166723 is about 1876.7401182971.

Adding to 6610166723 its reverse (3276610166), we get a palindrome (9886776889).

The spelling of 6610166723 in words is "six billion, six hundred ten million, one hundred sixty-six thousand, seven hundred twenty-three".