167428340 has 24 divisors (see below), whose sum is σ = 352657032. Its totient is φ = 66769920.

The previous prime is 167428321. The next prime is 167428351. The reversal of 167428340 is 43824761.

It can be written as a sum of positive squares in 4 ways, for example, as 605284 + 166823056 = 778^2 + 12916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 167428340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5681 + ... + 19160.

It is an arithmetic number, because the mean of its divisors is an integer number (14694043).

Almost surely, 2^167428340 is an apocalyptic number.

167428340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167428340 is an abundant number, since it is smaller than the sum of its proper divisors (185228692).

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

167428340 is a wasteful number, since it uses less digits than its factorization.

167428340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25187 (or 25185 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 167428340 is about 12939.4103420519. The cubic root of 167428340 is about 551.1582642925.

The spelling of 167428340 in words is "one hundred sixty-seven million, four hundred twenty-eight thousand, three hundred forty".