167431328 has 12 divisors (see below), whose sum is σ = 329630490. Its totient is φ = 83715648.

The previous prime is 167431273. The next prime is 167431333. The reversal of 167431328 is 823134761.

167431328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166203664 + 1227664 = 12892^2 + 1108^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2616083 + ... + 2616146.

Almost surely, 2^167431328 is an apocalyptic number.

It is an amenable number.

167431328 is a deficient number, since it is larger than the sum of its proper divisors (162199162).

167431328 is an equidigital number, since it uses as much as digits as its factorization.

167431328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232239 (or 5232231 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 167431328 is about 12939.5258027487. The cubic root of 167431328 is about 551.1615430108.

The spelling of 167431328 in words is "one hundred sixty-seven million, four hundred thirty-one thousand, three hundred twenty-eight".