161848325406173 has 16 divisors (see below), whose sum is σ = 185876592900096. Its totient is φ = 138048234508800.

The previous prime is 161848325406167. The next prime is 161848325406179. The reversal of 161848325406173 is 371604523848161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (161848325406167) and next prime (161848325406179).

It is not a de Polignac number, because 161848325406173 - 2¹⁰ = 161848325405149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161848325406179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57246653 + ... + 60007298.

It is an arithmetic number, because the mean of its divisors is an integer number (11617287056256).

Almost surely, 2^{161848325406173} is an apocalyptic number.

It is an amenable number.

161848325406173 is a deficient number, since it is larger than the sum of its proper divisors (24028267493923).

161848325406173 is a wasteful number, since it uses less digits than its factorization.

161848325406173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117254924.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 161848325406173 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, three hundred twenty-five million, four hundred six thousand, one hundred seventy-three".