106668558 has 24 divisors (see below), whose sum is σ = 237363048. Its totient is φ = 34594992.

The previous prime is 106668539. The next prime is 106668559. The reversal of 106668558 is 855866601.

It is a super-2 number, since 2×106668558² = 22756362531598728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106668559) 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 11 ways as a sum of consecutive naturals, for example, 79416 + ... + 80747.

It is an arithmetic number, because the mean of its divisors is an integer number (9890127).

Almost surely, 2^106668558 is an apocalyptic number.

106668558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

106668558 is an abundant number, since it is smaller than the sum of its proper divisors (130694490).

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

106668558 is a wasteful number, since it uses less digits than its factorization.

106668558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160208 (or 160205 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 106668558 is about 10328.0471532618. The cubic root of 106668558 is about 474.2552436116.

The spelling of 106668558 in words is "one hundred six million, six hundred sixty-eight thousand, five hundred fifty-eight".