1066188241 has 8 divisors (see below), whose sum is σ = 1082332160. Its totient is φ = 1050165648.

The previous prime is 1066188209. The next prime is 1066188247. The reversal of 1066188241 is 1428816601.

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 1066188241 - 2⁵ = 1066188209 is a prime.

It is a super-2 number, since 2×1066188241² = 2273514730493348162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066188241.

It is not an unprimeable number, because it can be changed into a prime (1066188247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12546 + ... + 47851.

It is an arithmetic number, because the mean of its divisors is an integer number (135291520).

Almost surely, 2^1066188241 is an apocalyptic number.

It is an amenable number.

1066188241 is a deficient number, since it is larger than the sum of its proper divisors (16143919).

1066188241 is a wasteful number, since it uses less digits than its factorization.

1066188241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60663.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 1066188241 is about 32652.5380483662. The cubic root of 1066188241 is about 1021.5931278049.

The spelling of 1066188241 in words is "one billion, sixty-six million, one hundred eighty-eight thousand, two hundred forty-one".