1066431337 has 8 divisors (see below), whose sum is σ = 1071144000. Its totient is φ = 1061729424.

The previous prime is 1066431299. The next prime is 1066431367. The reversal of 1066431337 is 7331346601.

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 1066431337 - 2²⁷ = 932213609 is a prime.

It is a super-2 number, since 2×1066431337² = 2274551593071215138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066431367) 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, 243039 + ... + 247387.

It is an arithmetic number, because the mean of its divisors is an integer number (133893000).

Almost surely, 2^1066431337 is an apocalyptic number.

It is an amenable number.

1066431337 is a deficient number, since it is larger than the sum of its proper divisors (4712663).

1066431337 is an equidigital number, since it uses as much as digits as its factorization.

1066431337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1066431337 is about 32656.2603033477. The cubic root of 1066431337 is about 1021.6707646052.

Adding to 1066431337 its reverse (7331346601), we get a palindrome (8397777938).

The spelling of 1066431337 in words is "one billion, sixty-six million, four hundred thirty-one thousand, three hundred thirty-seven".