6600000161 has 4 divisors (see below), whose sum is σ = 6812903424. Its totient is φ = 6387096900.

The previous prime is 6600000149. The next prime is 6600000163. The reversal of 6600000161 is 1610000066.

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.

It is a cyclic number.

It is not a de Polignac number, because 6600000161 - 2¹⁴ = 6599983777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6600000163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106451585 + ... + 106451646.

It is an arithmetic number, because the mean of its divisors is an integer number (1703225856).

Almost surely, 2^6600000161 is an apocalyptic number.

It is an amenable number.

6600000161 is a deficient number, since it is larger than the sum of its proper divisors (212903263).

6600000161 is a wasteful number, since it uses less digits than its factorization.

6600000161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212903262.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6600000161 is about 81240.3850372461. The cubic root of 6600000161 is about 1875.7774706194. Note that the first 3 decimals are identical.

The spelling of 6600000161 in words is "six billion, six hundred million, one hundred sixty-one", and thus it is an aban number.