1166650065376 has 48 divisors (see below), whose sum is σ = 2367435754656. Its totient is φ = 565510381056.

The previous prime is 1166650065311. The next prime is 1166650065377. The reversal of 1166650065376 is 6735600566611.

It is a super-2 number, since 2×1166650065376² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166650065377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450636 + ... + 2106571.

It is an arithmetic number, because the mean of its divisors is an integer number (49321578222).

Almost surely, 2^{1166650065376} is an apocalyptic number.

1166650065376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1166650065376 is an abundant number, since it is smaller than the sum of its proper divisors (1200785689280).

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

1166650065376 is a wasteful number, since it uses less digits than its factorization.

1166650065376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557531 (or 3557523 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 1166650065376 in words is "one trillion, one hundred sixty-six billion, six hundred fifty million, sixty-five thousand, three hundred seventy-six".