6651062057 has 2 divisors, whose sum is σ = 6651062058. Its totient is φ = 6651062056.

The previous prime is 6651062029. The next prime is 6651062069. The reversal of 6651062057 is 7502601566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6284684176 + 366377881 = 79276^2 + 19141^2 .

It is a cyclic number.

It is not a de Polignac number, because 6651062057 - 2¹² = 6651057961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6651062057.

It is not a weakly prime, because it can be changed into another prime (6651062027) 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, 3325531028 + 3325531029.

It is an arithmetic number, because the mean of its divisors is an integer number (3325531029).

Almost surely, 2^6651062057 is an apocalyptic number.

It is an amenable number.

6651062057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6651062057 is an equidigital number, since it uses as much as digits as its factorization.

6651062057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 6651062057 is about 81554.0437807961. The cubic root of 6651062057 is about 1880.6024605491.

The spelling of 6651062057 in words is "six billion, six hundred fifty-one million, sixty-two thousand, fifty-seven".