166547325117 has 8 divisors (see below), whose sum is σ = 224261745120. Its totient is φ = 109932227600.

The previous prime is 166547325079. The next prime is 166547325169. The reversal of 166547325117 is 711523745661.

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

It is a cyclic number.

It is not a de Polignac number, because 166547325117 - 2²² = 166543130813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166547325017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274830267 + ... + 274830872.

It is an arithmetic number, because the mean of its divisors is an integer number (28032718140).

Almost surely, 2^166547325117 is an apocalyptic number.

It is an amenable number.

166547325117 is a deficient number, since it is larger than the sum of its proper divisors (57714420003).

166547325117 is a wasteful number, since it uses less digits than its factorization.

166547325117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549661243.

The product of its digits is 1058400, while the sum is 48.

The spelling of 166547325117 in words is "one hundred sixty-six billion, five hundred forty-seven million, three hundred twenty-five thousand, one hundred seventeen".