166647457112341 has 8 divisors (see below), whose sum is σ = 167386730477400. Its totient is φ = 165908284227840.

The previous prime is 166647457112327. The next prime is 166647457112359. The reversal of 166647457112341 is 143211754746661.

It can be written as a sum of positive squares in 4 ways, for example, as 45975804058116 + 120671653054225 = 6780546^2 + 10985065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166647457112341 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 (166647457112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21794800 + ... + 28430761.

It is an arithmetic number, because the mean of its divisors is an integer number (20923341309675).

Almost surely, 2^{166647457112341} is an apocalyptic number.

It is an amenable number.

166647457112341 is a deficient number, since it is larger than the sum of its proper divisors (739273365059).

166647457112341 is a wasteful number, since it uses less digits than its factorization.

166647457112341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50240279.

The product of its digits is 20321280, while the sum is 58.

The spelling of 166647457112341 in words is "one hundred sixty-six trillion, six hundred forty-seven billion, four hundred fifty-seven million, one hundred twelve thousand, three hundred forty-one".