1066744345 has 8 divisors (see below), whose sum is σ = 1280587464. Its totient is φ = 853065984.

The previous prime is 1066744337. The next prime is 1066744351. The reversal of 1066744345 is 5434476601.

It can be written as a sum of positive squares in 4 ways, for example, as 2157961 + 1064586384 = 1469^2 + 32628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1066744345 - 2³ = 1066744337 is a prime.

It is a super-2 number, since 2×1066744345² = 2275886995178958050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066744298 and 1066744307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26464 + ... + 53233.

It is an arithmetic number, because the mean of its divisors is an integer number (160073433).

Almost surely, 2^1066744345 is an apocalyptic number.

It is an amenable number.

1066744345 is a deficient number, since it is larger than the sum of its proper divisors (213843119).

1066744345 is an equidigital number, since it uses as much as digits as its factorization.

1066744345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82379.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 1066744345 is about 32661.0524172140. The cubic root of 1066744345 is about 1021.7707116058.

It can be divided in two parts, 1066744 and 345, that added together give a square (1067089 = 1033²).

The spelling of 1066744345 in words is "one billion, sixty-six million, seven hundred forty-four thousand, three hundred forty-five".