1166447520484 has 27 divisors (see below), whose sum is σ = 2092443749193. Its totient is φ = 568955589600.

The previous prime is 1166447520481. The next prime is 1166447520529. The reversal of 1166447520484 is 4840257446611.

It is a happy number.

The square root of 1166447520484 is 1080022.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56205978084 + 1110241542400 = 237078^2 + 1053680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166447520481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88555219 + ... + 88568389.

Almost surely, 2^{1166447520484} is an apocalyptic number.

1166447520484 is the 1080022-nd square number.

It is an amenable number.

1166447520484 is a deficient number, since it is larger than the sum of its proper divisors (925996228709).

1166447520484 is an frugal number, since it uses more digits than its factorization.

1166447520484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428 (or 13214 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 1166447520484 in words is "one trillion, one hundred sixty-six billion, four hundred forty-seven million, five hundred twenty thousand, four hundred eighty-four".