6656077 has 2 divisors, whose sum is σ = 6656078. Its totient is φ = 6656076.

The previous prime is 6656071. The next prime is 6656101. The reversal of 6656077 is 7706566.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 2208196 = 2109^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 6656077 - 2¹¹ = 6654029 is a prime.

It is a super-2 number, since 2×6656077² = 88606722059858, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6656071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328038 + 3328039.

It is an arithmetic number, because the mean of its divisors is an integer number (3328039).

Almost surely, 2^6656077 is an apocalyptic number.

It is an amenable number.

6656077 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656077 is an equidigital number, since it uses as much as digits as its factorization.

6656077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 6656077 is about 2579.9374023414. The cubic root of 6656077 is about 188.1075003865.

The spelling of 6656077 in words is "six million, six hundred fifty-six thousand, seventy-seven".