11606166601 has 4 divisors (see below), whose sum is σ = 11980559104. Its totient is φ = 11231774100.

The previous prime is 11606166569. The next prime is 11606166631. The reversal of 11606166601 is 10666160611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10666160611 = 53891 ⋅197921.

It is a cyclic number.

It is not a de Polignac number, because 11606166601 - 2⁵ = 11606166569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11606166631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187196205 + ... + 187196266.

It is an arithmetic number, because the mean of its divisors is an integer number (2995139776).

Almost surely, 2^11606166601 is an apocalyptic number.

It is an amenable number.

11606166601 is a deficient number, since it is larger than the sum of its proper divisors (374392503).

11606166601 is an equidigital number, since it uses as much as digits as its factorization.

11606166601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374392502.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 11606166601 in words is "eleven billion, six hundred six million, one hundred sixty-six thousand, six hundred one".