167222216447 has 32 divisors (see below), whose sum is σ = 198266202624. Its totient is φ = 139038768000.

The previous prime is 167222216437. The next prime is 167222216449. The reversal of 167222216447 is 744612222761.

It is not a de Polignac number, because 167222216447 - 2¹² = 167222212351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 167222216398 and 167222216407.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8562668 + ... + 8582174.

It is an arithmetic number, because the mean of its divisors is an integer number (6195818832).

Almost surely, 2^167222216447 is an apocalyptic number.

167222216447 is a deficient number, since it is larger than the sum of its proper divisors (31043986177).

167222216447 is a wasteful number, since it uses less digits than its factorization.

167222216447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079.

The product of its digits is 451584, while the sum is 44.

The spelling of 167222216447 in words is "one hundred sixty-seven billion, two hundred twenty-two million, two hundred sixteen thousand, four hundred forty-seven".