167042728 has 16 divisors (see below), whose sum is σ = 314938260. Its totient is φ = 83059200.

The previous prime is 167042723. The next prime is 167042741. The reversal of 167042728 is 827240761.

It can be written as a sum of positive squares in 2 ways, for example, as 164916964 + 2125764 = 12842^2 + 1458^2 .

It is not an unprimeable number, because it can be changed into a prime (167042723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56233 + ... + 59128.

Almost surely, 2^167042728 is an apocalyptic number.

It is an amenable number.

167042728 is a deficient number, since it is larger than the sum of its proper divisors (147895532).

167042728 is a wasteful number, since it uses less digits than its factorization.

167042728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115548 (or 115544 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 167042728 is about 12924.5010735425. The cubic root of 167042728 is about 550.7348062830.

The spelling of 167042728 in words is "one hundred sixty-seven million, forty-two thousand, seven hundred twenty-eight".