1066503745 has 8 divisors (see below), whose sum is σ = 1282861440. Its totient is φ = 851165040.

The previous prime is 1066503733. The next prime is 1066503751. The reversal of 1066503745 is 5473056601.

1066503745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066503745 - 2⁷ = 1066503617 is a prime.

It is a super-2 number, since 2×1066503745² = 2274860476198050050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252441 + ... + 256630.

It is an arithmetic number, because the mean of its divisors is an integer number (160357680).

Almost surely, 2^1066503745 is an apocalyptic number.

It is an amenable number.

1066503745 is a deficient number, since it is larger than the sum of its proper divisors (216357695).

1066503745 is an equidigital number, since it uses as much as digits as its factorization.

1066503745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509495.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 1066503745 is about 32657.3689234145. The cubic root of 1066503745 is about 1021.6938870385.

The spelling of 1066503745 in words is "one billion, sixty-six million, five hundred three thousand, seven hundred forty-five".