1166601055659 has 16 divisors (see below), whose sum is σ = 1763283648000. Its totient is φ = 680123691936.

The previous prime is 1166601055589. The next prime is 1166601055681. The reversal of 1166601055659 is 9565501066611.

It is not a de Polignac number, because 1166601055659 - 2¹² = 1166601051563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166601055259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787179459 + ... + 787180940.

It is an arithmetic number, because the mean of its divisors is an integer number (110205228000).

Almost surely, 2^{1166601055659} is an apocalyptic number.

1166601055659 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1166601055659 is a deficient number, since it is larger than the sum of its proper divisors (596682592341).

1166601055659 is a wasteful number, since it uses less digits than its factorization.

1166601055659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574360434.

The product of its (nonzero) digits is 1458000, while the sum is 51.

The spelling of 1166601055659 in words is "one trillion, one hundred sixty-six billion, six hundred one million, fifty-five thousand, six hundred fifty-nine".