1066303106186 has 4 divisors (see below), whose sum is σ = 1599454659282. Its totient is φ = 533151553092.

The previous prime is 1066303106179. The next prime is 1066303106203. The reversal of 1066303106186 is 6816013036601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1030998575161 + 35304531025 = 1015381^2 + 187895^2 .

It is a super-2 number, since 2×1066303106186² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266575776545 + ... + 266575776548.

Almost surely, 2^{1066303106186} is an apocalyptic number.

1066303106186 is a deficient number, since it is larger than the sum of its proper divisors (533151553096).

1066303106186 is an equidigital number, since it uses as much as digits as its factorization.

1066303106186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533151553095.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 1066303106186 in words is "one trillion, sixty-six billion, three hundred three million, one hundred six thousand, one hundred eighty-six".