1066013187 has 8 divisors (see below), whose sum is σ = 1424897040. Its totient is φ = 708902400.

The previous prime is 1066013167. The next prime is 1066013227. The reversal of 1066013187 is 7813106601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066013187 - 2¹¹ = 1066011139 is a prime.

It is a super-2 number, since 2×1066013187² = 2272768229715793938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066013147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441862 + ... + 444267.

It is an arithmetic number, because the mean of its divisors is an integer number (178112130).

Almost surely, 2^1066013187 is an apocalyptic number.

1066013187 is a deficient number, since it is larger than the sum of its proper divisors (358883853).

1066013187 is an equidigital number, since it uses as much as digits as its factorization.

1066013187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886533.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1066013187 is about 32649.8573810055. The cubic root of 1066013187 is about 1021.5372140538.

Adding to 1066013187 its reverse (7813106601), we get a palindrome (8879119788).

The spelling of 1066013187 in words is "one billion, sixty-six million, thirteen thousand, one hundred eighty-seven".