167161220100223 has 16 divisors (see below), whose sum is σ = 169098844955040. Its totient is φ = 165235333326336.

The previous prime is 167161220100221. The next prime is 167161220100229. The reversal of 167161220100223 is 322001022161761.

It is a cyclic number.

It is not a de Polignac number, because 167161220100223 - 2¹ = 167161220100221 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 (167161220100221) 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 15 ways as a sum of consecutive naturals, for example, 35043861 + ... + 39527137.

It is an arithmetic number, because the mean of its divisors is an integer number (10568677809690).

Almost surely, 2^{167161220100223} is an apocalyptic number.

167161220100223 is a deficient number, since it is larger than the sum of its proper divisors (1937624854817).

167161220100223 is a wasteful number, since it uses less digits than its factorization.

167161220100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484586.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 167161220100223 its reverse (322001022161761), we get a palindrome (489162242261984).

The spelling of 167161220100223 in words is "one hundred sixty-seven trillion, one hundred sixty-one billion, two hundred twenty million, one hundred thousand, two hundred twenty-three".