1066641235 has 32 divisors (see below), whose sum is σ = 1426636800. Its totient is φ = 759029760.

The previous prime is 1066641229. The next prime is 1066641253. The reversal of 1066641235 is 5321466601.

It is not a de Polignac number, because 1066641235 - 2⁵ = 1066641203 is a prime.

It is a super-2 number, since 2×1066641235² = 2275447048404650450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066641235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833326 + ... + 834604.

It is an arithmetic number, because the mean of its divisors is an integer number (44582400).

Almost surely, 2^1066641235 is an apocalyptic number.

1066641235 is a deficient number, since it is larger than the sum of its proper divisors (359995565).

1066641235 is a wasteful number, since it uses less digits than its factorization.

1066641235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611.

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

The square root of 1066641235 is about 32659.4738934968. The cubic root of 1066641235 is about 1021.7377895743.

The spelling of 1066641235 in words is "one billion, sixty-six million, six hundred forty-one thousand, two hundred thirty-five".