1166789012234 has 4 divisors (see below), whose sum is σ = 1750183518354. Its totient is φ = 583394506116.

The previous prime is 1166789012203. The next prime is 1166789012261. The reversal of 1166789012234 is 4322109876611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 830914287025 + 335874725209 = 911545^2 + 579547^2 .

It is a super-2 number, since 2×1166789012234² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 291697253057 + ... + 291697253060.

Almost surely, 2^{1166789012234} is an apocalyptic number.

1166789012234 is a deficient number, since it is larger than the sum of its proper divisors (583394506120).

1166789012234 is an equidigital number, since it uses as much as digits as its factorization.

1166789012234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583394506119.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1166789012234 in words is "one trillion, one hundred sixty-six billion, seven hundred eighty-nine million, twelve thousand, two hundred thirty-four".