167121140 has 12 divisors (see below), whose sum is σ = 350954436. Its totient is φ = 66848448.

The previous prime is 167121139. The next prime is 167121167. The reversal of 167121140 is 41121761.

It is a happy number.

167121140 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 2 ways, for example, as 119290084 + 47831056 = 10922^2 + 6916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4178009 + ... + 4178048.

It is an arithmetic number, because the mean of its divisors is an integer number (29246203).

Almost surely, 2^167121140 is an apocalyptic number.

167121140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167121140 is an abundant number, since it is smaller than the sum of its proper divisors (183833296).

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

167121140 is a wasteful number, since it uses less digits than its factorization.

167121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356066 (or 8356064 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 167121140 is about 12927.5341809643. The cubic root of 167121140 is about 550.8209667978.

The spelling of 167121140 in words is "one hundred sixty-seven million, one hundred twenty-one thousand, one hundred forty".