1166342010012 has 18 divisors (see below), whose sum is σ = 2948253414288. Its totient is φ = 388780669992.

The previous prime is 1166342010011. The next prime is 1166342010023. The reversal of 1166342010012 is 2100102436611.

It is a happy number.

1166342010012 is a `hidden beast` number, since 1 + 1 + 6 + 634 + 2 + 0 + 10 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166342010011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16199194548 + ... + 16199194619.

Almost surely, 2^{1166342010012} is an apocalyptic number.

1166342010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166342010012 is an abundant number, since it is smaller than the sum of its proper divisors (1781911404276).

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

1166342010012 is a wasteful number, since it uses less digits than its factorization.

1166342010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32398389177 (or 32398389172 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 1166342010012 its reverse (2100102436611), we get a palindrome (3266444446623).

The spelling of 1166342010012 in words is "one trillion, one hundred sixty-six billion, three hundred forty-two million, ten thousand, twelve".