1166661066060 has 144 divisors (see below), whose sum is σ = 4044808901952. Its totient is φ = 266640076800.

The previous prime is 1166661066059. The next prime is 1166661066083. The reversal of 1166661066060 is 606601666611.

It is a super-2 number, since 2×1166661066060² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1166661065997 and 1166661066015.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15385840 + ... + 15461480.

It is an arithmetic number, because the mean of its divisors is an integer number (28088950708).

Almost surely, 2^{1166661066060} is an apocalyptic number.

1166661066060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166661066060 is an abundant number, since it is smaller than the sum of its proper divisors (2878147835892).

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

1166661066060 is a wasteful number, since it uses less digits than its factorization.

1166661066060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87904 (or 87899 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 1166661066060 in words is "one trillion, one hundred sixty-six billion, six hundred sixty-one million, sixty-six thousand, sixty".