167223456 has 72 divisors (see below), whose sum is σ = 477326304. Its totient is φ = 55532160.

The previous prime is 167223451. The next prime is 167223473. The reversal of 167223456 is 654322761.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 167223456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167223451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88635 + ... + 90501.

It is an arithmetic number, because the mean of its divisors is an integer number (6629532).

Almost surely, 2^167223456 is an apocalyptic number.

167223456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167223456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238663152).

167223456 is an abundant number, since it is smaller than the sum of its proper divisors (310102848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167223456 is a wasteful number, since it uses less digits than its factorization.

167223456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2183 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 167223456 is about 12931.4908653256. The cubic root of 167223456 is about 550.9333529402.

The spelling of 167223456 in words is "one hundred sixty-seven million, two hundred twenty-three thousand, four hundred fifty-six".