167871540 has 48 divisors (see below), whose sum is σ = 470836800. Its totient is φ = 44689920.

The previous prime is 167871499. The next prime is 167871559. The reversal of 167871540 is 45178761.

167871540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39436 + ... + 43484.

It is an arithmetic number, because the mean of its divisors is an integer number (9809100).

Almost surely, 2^167871540 is an apocalyptic number.

167871540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167871540 is an abundant number, since it is smaller than the sum of its proper divisors (302965260).

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

167871540 is a wasteful number, since it uses less digits than its factorization.

167871540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 167871540 is about 12956.5249970816. The cubic root of 167871540 is about 551.6441599703.

The spelling of 167871540 in words is "one hundred sixty-seven million, eight hundred seventy-one thousand, five hundred forty".