1066666763 has 2 divisors, whose sum is σ = 1066666764. Its totient is φ = 1066666762.

The previous prime is 1066666687. The next prime is 1066666787. The reversal of 1066666763 is 3676666601.

1066666763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066666763 - 2¹⁶ = 1066601227 is a prime.

It is a super-2 number, since 2×1066666763² = 2275555966577796338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066666963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533333381 + 533333382.

It is an arithmetic number, because the mean of its divisors is an integer number (533333382).

Almost surely, 2^1066666763 is an apocalyptic number.

1066666763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066666763 is an equidigital number, since it uses as much as digits as its factorization.

1066666763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 1066666763 is about 32659.8647119060. The cubic root of 1066666763 is about 1021.7459406169.

The spelling of 1066666763 in words is "one billion, sixty-six million, six hundred sixty-six thousand, seven hundred sixty-three".