1066456116424 has 8 divisors (see below), whose sum is σ = 1999605218310. Its totient is φ = 533228058208.

The previous prime is 1066456116391. The next prime is 1066456116457. The reversal of 1066456116424 is 4246116546601.

It is an interprime number because it is at equal distance from previous prime (1066456116391) and next prime (1066456116457).

It can be written as a sum of positive squares in only one way, i.e., 1063955116324 + 2501000100 = 1031482^2 + 50010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1066456116424² (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, 66653507269 + ... + 66653507284.

Almost surely, 2^{1066456116424} is an apocalyptic number.

It is an amenable number.

1066456116424 is a deficient number, since it is larger than the sum of its proper divisors (933149101886).

1066456116424 is a wasteful number, since it uses less digits than its factorization.

1066456116424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133307014559 (or 133307014555 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 1066456116424 in words is "one trillion, sixty-six billion, four hundred fifty-six million, one hundred sixteen thousand, four hundred twenty-four".