1066644353 has 8 divisors (see below), whose sum is σ = 1090198080. Its totient is φ = 1043286480.

The previous prime is 1066644323. The next prime is 1066644407. The reversal of 1066644353 is 3534466601.

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 1066644353 - 2¹⁰ = 1066643329 is a prime.

It is a super-2 number, since 2×1066644353² = 2275460351573577218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066644323) by changing a digit.

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, 37925 + ... + 59762.

It is an arithmetic number, because the mean of its divisors is an integer number (136274760).

Almost surely, 2^1066644353 is an apocalyptic number.

It is an amenable number.

1066644353 is a deficient number, since it is larger than the sum of its proper divisors (23553727).

1066644353 is an equidigital number, since it uses as much as digits as its factorization.

1066644353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97927.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 1066644353 is about 32659.5216284623. The cubic root of 1066644353 is about 1021.7387851529.

The spelling of 1066644353 in words is "one billion, sixty-six million, six hundred forty-four thousand, three hundred fifty-three".