1066864349 has 8 divisors (see below), whose sum is σ = 1101703680. Its totient is φ = 1032051600.

The previous prime is 1066864333. The next prime is 1066864363. The reversal of 1066864349 is 9434686601.

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 1066864349 - 2⁴ = 1066864333 is a prime.

It is a super-2 number, since 2×1066864349² = 2276399078334387602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066864369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104912 + ... + 114630.

It is an arithmetic number, because the mean of its divisors is an integer number (137712960).

Almost surely, 2^1066864349 is an apocalyptic number.

It is an amenable number.

1066864349 is a deficient number, since it is larger than the sum of its proper divisors (34839331).

1066864349 is an equidigital number, since it uses as much as digits as its factorization.

1066864349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 1066864349 is about 32662.8894772033. The cubic root of 1066864349 is about 1021.8090250578.

The spelling of 1066864349 in words is "one billion, sixty-six million, eight hundred sixty-four thousand, three hundred forty-nine".