167222216446 has 16 divisors (see below), whose sum is σ = 251258964768. Its totient is φ = 83469276000.

The previous prime is 167222216437. The next prime is 167222216449. The reversal of 167222216446 is 644612222761.

It is a super-2 number, since 2×167222216446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167222216449) 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, 11484871 + ... + 11499421.

It is an arithmetic number, because the mean of its divisors is an integer number (15703685298).

Almost surely, 2^167222216446 is an apocalyptic number.

167222216446 is a deficient number, since it is larger than the sum of its proper divisors (84036748322).

167222216446 is a wasteful number, since it uses less digits than its factorization.

167222216446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23907.

The product of its digits is 387072, while the sum is 43.

The spelling of 167222216446 in words is "one hundred sixty-seven billion, two hundred twenty-two million, two hundred sixteen thousand, four hundred forty-six".