167881542 has 16 divisors (see below), whose sum is σ = 335894592. Its totient is φ = 55938600.

The previous prime is 167881541. The next prime is 167881547. The reversal of 167881542 is 245188761.

It is a junction number, because it is equal to n+sod(n) for n = 167881494 and 167881503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167881541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20853 + ... + 27759.

It is an arithmetic number, because the mean of its divisors is an integer number (20993412).

Almost surely, 2^167881542 is an apocalyptic number.

167881542 is an abundant number, since it is smaller than the sum of its proper divisors (168013050).

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

167881542 is a wasteful number, since it uses less digits than its factorization.

167881542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963.

The product of its digits is 107520, while the sum is 42.

The square root of 167881542 is about 12956.9109744568. The cubic root of 167881542 is about 551.6551156398.

The spelling of 167881542 in words is "one hundred sixty-seven million, eight hundred eighty-one thousand, five hundred forty-two".