1066235641 has 8 divisors (see below), whose sum is σ = 1073117984. Its totient is φ = 1059367680.

The previous prime is 1066235617. The next prime is 1066235647. The reversal of 1066235641 is 1465326601.

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 1066235641 - 2⁹ = 1066235129 is a prime.

It is a super-2 number, since 2×1066235641² = 2273716884277361762, 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 = 1066235597 and 1066235606.

It is not an unprimeable number, because it can be changed into a prime (1066235647) 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, 172006 + ... + 178096.

It is an arithmetic number, because the mean of its divisors is an integer number (134139748).

Almost surely, 2^1066235641 is an apocalyptic number.

It is an amenable number.

1066235641 is a deficient number, since it is larger than the sum of its proper divisors (6882343).

1066235641 is an equidigital number, since it uses as much as digits as its factorization.

1066235641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1066235641 is about 32653.2638644286. The cubic root of 1066235641 is about 1021.6082667190.

The spelling of 1066235641 in words is "one billion, sixty-six million, two hundred thirty-five thousand, six hundred forty-one".