1066425608186 has 16 divisors (see below), whose sum is σ = 1654833070440. Its totient is φ = 514815356160.

The previous prime is 1066425608173. The next prime is 1066425608189. The reversal of 1066425608186 is 6818065246601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1027273467025 + 39152141161 = 1013545^2 + 197869^2 .

It is a super-2 number, since 2×1066425608186² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066425608189) 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, 3066830 + ... + 3396806.

Almost surely, 2^{1066425608186} is an apocalyptic number.

1066425608186 is a deficient number, since it is larger than the sum of its proper divisors (588407462254).

1066425608186 is a wasteful number, since it uses less digits than its factorization.

1066425608186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385729.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 1066425608186 in words is "one trillion, sixty-six billion, four hundred twenty-five million, six hundred eight thousand, one hundred eighty-six".