1166156610616 has 8 divisors (see below), whose sum is σ = 2186543644920. Its totient is φ = 583078305304.

The previous prime is 1166156610607. The next prime is 1166156610631. The reversal of 1166156610616 is 6160166516611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 72884788156 + ... + 72884788171.

It is an arithmetic number, because the mean of its divisors is an integer number (273317955615).

Almost surely, 2^{1166156610616} is an apocalyptic number.

It is an amenable number.

1166156610616 is a deficient number, since it is larger than the sum of its proper divisors (1020387034304).

1166156610616 is a wasteful number, since it uses less digits than its factorization.

1166156610616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145769576333 (or 145769576329 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1166156610616 in words is "one trillion, one hundred sixty-six billion, one hundred fifty-six million, six hundred ten thousand, six hundred sixteen".