6496166749 has 2 divisors, whose sum is σ = 6496166750. Its totient is φ = 6496166748.

The previous prime is 6496166741. The next prime is 6496166767. The reversal of 6496166749 is 9476616946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5292562500 + 1203604249 = 72750^2 + 34693^2 .

It is a cyclic number.

It is not a de Polignac number, because 6496166749 - 2³ = 6496166741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6496166693 and 6496166702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6496166741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248083374 + 3248083375.

It is an arithmetic number, because the mean of its divisors is an integer number (3248083375).

Almost surely, 2^6496166749 is an apocalyptic number.

It is an amenable number.

6496166749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6496166749 is an equidigital number, since it uses as much as digits as its factorization.

6496166749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 58.

The square root of 6496166749 is about 80598.8011635409. The cubic root of 6496166749 is about 1865.8886433932. Note that the first 3 decimals are identical.

The spelling of 6496166749 in words is "six billion, four hundred ninety-six million, one hundred sixty-six thousand, seven hundred forty-nine".