1066451563 has 2 divisors, whose sum is σ = 1066451564. Its totient is φ = 1066451562.

The previous prime is 1066451537. The next prime is 1066451579. The reversal of 1066451563 is 3651546601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066451563 - 2¹⁷ = 1066320491 is a prime.

It is a super-2 number, since 2×1066451563² = 2274637872450285938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066451063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533225781 + 533225782.

It is an arithmetic number, because the mean of its divisors is an integer number (533225782).

Almost surely, 2^1066451563 is an apocalyptic number.

1066451563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066451563 is an equidigital number, since it uses as much as digits as its factorization.

1066451563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1066451563 is about 32656.5699821644. The cubic root of 1066451563 is about 1021.6772235872.

The spelling of 1066451563 in words is "one billion, sixty-six million, four hundred fifty-one thousand, five hundred sixty-three".