1166666662392 has 128 divisors (see below), whose sum is σ = 3734643939840. Its totient is φ = 294840276480.

The previous prime is 1166666662391. The next prime is 1166666662397. The reversal of 1166666662392 is 2932666666611.

It is a super-2 number, since 2×1166666662392² (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 (1166666662391) 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 31 ways as a sum of consecutive naturals, for example, 8462883 + ... + 8599634.

It is an arithmetic number, because the mean of its divisors is an integer number (29176905780).

Almost surely, 2^{1166666662392} is an apocalyptic number.

1166666662392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166666662392 is an abundant number, since it is smaller than the sum of its proper divisors (2567977277448).

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

1166666662392 is a wasteful number, since it uses less digits than its factorization.

1166666662392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062581 (or 17062577 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 60.

The spelling of 1166666662392 in words is "one trillion, one hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-two thousand, three hundred ninety-two".