1166066634544 has 60 divisors (see below), whose sum is σ = 2742377695344. Its totient is φ = 478014886272.

The previous prime is 1166066634511. The next prime is 1166066634559. The reversal of 1166066634544 is 4454366606611.

It is a super-2 number, since 2×1166066634544² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166066634491 and 1166066634500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32315227 + ... + 32351290.

Almost surely, 2^{1166066634544} is an apocalyptic number.

1166066634544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1166066634544 is an abundant number, since it is smaller than the sum of its proper divisors (1576311060800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1166066634544 is a wasteful number, since it uses less digits than its factorization.

1166066634544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64666562 (or 64666549 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 1166066634544 in words is "one trillion, one hundred sixty-six billion, sixty-six million, six hundred thirty-four thousand, five hundred forty-four".