1066173545 has 24 divisors (see below), whose sum is σ = 1367957760. Its totient is φ = 796864320.

The previous prime is 1066173529. The next prime is 1066173551. The reversal of 1066173545 is 5453716601.

1066173545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066173545 - 2⁴ = 1066173529 is a prime.

It is a super-2 number, since 2×1066173545² = 2273452056115734050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066173499 and 1066173508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126266 + ... + 134444.

It is an arithmetic number, because the mean of its divisors is an integer number (56998240).

Almost surely, 2^1066173545 is an apocalyptic number.

It is an amenable number.

1066173545 is a deficient number, since it is larger than the sum of its proper divisors (301784215).

1066173545 is an equidigital number, since it uses as much as digits as its factorization.

1066173545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273 (or 8244 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1066173545 is about 32652.3130114851. The cubic root of 1066173545 is about 1021.5884340116.

The spelling of 1066173545 in words is "one billion, sixty-six million, one hundred seventy-three thousand, five hundred forty-five".