1066500451 has 2 divisors, whose sum is σ = 1066500452. Its totient is φ = 1066500450.

The previous prime is 1066500431. The next prime is 1066500473. The reversal of 1066500451 is 1540056601.

1066500451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1540056601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1066500451 - 2⁹ = 1066499939 is a prime.

It is a super-2 number, since 2×1066500451² = 2274846423966406802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066500431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533250225 + 533250226.

It is an arithmetic number, because the mean of its divisors is an integer number (533250226).

Almost surely, 2^1066500451 is an apocalyptic number.

1066500451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066500451 is an equidigital number, since it uses as much as digits as its factorization.

1066500451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1066500451 is about 32657.3184906538. The cubic root of 1066500451 is about 1021.6928351707.

The spelling of 1066500451 in words is "one billion, sixty-six million, five hundred thousand, four hundred fifty-one".