167961558 has 32 divisors (see below), whose sum is σ = 360288000. Its totient is φ = 52037856.

The previous prime is 167961553. The next prime is 167961559. The reversal of 167961558 is 855169761.

167961558 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×167961558³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167961553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7858 + ... + 19941.

It is an arithmetic number, because the mean of its divisors is an integer number (11259000).

Almost surely, 2^167961558 is an apocalyptic number.

167961558 is an abundant number, since it is smaller than the sum of its proper divisors (192326442).

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

167961558 is a wasteful number, since it uses less digits than its factorization.

167961558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27876.

The product of its digits is 453600, while the sum is 48.

The square root of 167961558 is about 12959.9983796295. The cubic root of 167961558 is about 551.7427453343.

The spelling of 167961558 in words is "one hundred sixty-seven million, nine hundred sixty-one thousand, five hundred fifty-eight".