10766557 has 2 divisors, whose sum is σ = 10766558. Its totient is φ = 10766556.

The previous prime is 10766543. The next prime is 10766573. The reversal of 10766557 is 75566701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7284601 + 3481956 = 2699^2 + 1866^2 .

It is a cyclic number.

It is not a de Polignac number, because 10766557 - 2¹⁹ = 10242269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10766537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5383278 + 5383279.

It is an arithmetic number, because the mean of its divisors is an integer number (5383279).

Almost surely, 2^10766557 is an apocalyptic number.

It is an amenable number.

10766557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10766557 is an equidigital number, since it uses as much as digits as its factorization.

10766557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 10766557 is about 3281.2432095168. The cubic root of 10766557 is about 220.8134964817.

It can be divided in two parts, 10 and 766557, that multiplied together give a triangular number (7665570 = T₃₉₁₅).

The spelling of 10766557 in words is "ten million, seven hundred sixty-six thousand, five hundred fifty-seven".