1066430188874 has 8 divisors (see below), whose sum is σ = 1599679206660. Its totient is φ = 533203786656.

The previous prime is 1066430188867. The next prime is 1066430188891. The reversal of 1066430188874 is 4788810346601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 841976913649 + 224453275225 = 917593^2 + 473765^2 .

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

It is a super-2 number, since 2×1066430188874² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535509 + ... + 5724920.

Almost surely, 2^{1066430188874} is an apocalyptic number.

1066430188874 is a deficient number, since it is larger than the sum of its proper divisors (533249017786).

1066430188874 is a wasteful number, since it uses less digits than its factorization.

1066430188874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11307784.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 1066430188874 in words is "one trillion, sixty-six billion, four hundred thirty million, one hundred eighty-eight thousand, eight hundred seventy-four".