39166660189 has 4 divisors (see below), whose sum is σ = 39172424256. Its totient is φ = 39160896124.

The previous prime is 39166660163. The next prime is 39166660201. The reversal of 39166660189 is 98106666193.

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 39166660189 - 2⁷ = 39166660061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39166660109) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2871829 + ... + 2885434.

It is an arithmetic number, because the mean of its divisors is an integer number (9793106064).

Almost surely, 2^39166660189 is an apocalyptic number.

It is an amenable number.

39166660189 is a deficient number, since it is larger than the sum of its proper divisors (5764067).

39166660189 is an equidigital number, since it uses as much as digits as its factorization.

39166660189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764066.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 39166660189 in words is "thirty-nine billion, one hundred sixty-six million, six hundred sixty thousand, one hundred eighty-nine".