1166678456234 has 16 divisors (see below), whose sum is σ = 1763439305760. Its totient is φ = 578865671280.

The previous prime is 1166678456173. The next prime is 1166678456261. The reversal of 1166678456234 is 4326548766611.

It is a happy number.

It is a super-3 number, since 3×1166678456234³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9518612 + ... + 9640400.

It is an arithmetic number, because the mean of its divisors is an integer number (110214956610).

Almost surely, 2^{1166678456234} is an apocalyptic number.

1166678456234 is a deficient number, since it is larger than the sum of its proper divisors (596760849526).

1166678456234 is a wasteful number, since it uses less digits than its factorization.

1166678456234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158485.

The product of its digits is 34836480, while the sum is 59.

The spelling of 1166678456234 in words is "one trillion, one hundred sixty-six billion, six hundred seventy-eight million, four hundred fifty-six thousand, two hundred thirty-four".