1166288939142 has 16 divisors (see below), whose sum is σ = 2372113097280. Its totient is φ = 382173776552.

The previous prime is 1166288939059. The next prime is 1166288939147. The reversal of 1166288939142 is 2419398826611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166288939147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647300408 + ... + 1647301115.

It is an arithmetic number, because the mean of its divisors is an integer number (148257068580).

Almost surely, 2^{1166288939142} is an apocalyptic number.

1166288939142 is an abundant number, since it is smaller than the sum of its proper divisors (1205824158138).

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

1166288939142 is a wasteful number, since it uses less digits than its factorization.

1166288939142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294601587.

The product of its digits is 8957952, while the sum is 60.

The spelling of 1166288939142 in words is "one trillion, one hundred sixty-six billion, two hundred eighty-eight million, nine hundred thirty-nine thousand, one hundred forty-two".