106558 has 4 divisors (see below), whose sum is σ = 159840. Its totient is φ = 53278.

The previous prime is 106543. The next prime is 106591. The reversal of 106558 is 855601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106558² = 22709214728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

106558 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26638 + ... + 26641.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2¹⁰⁶⁵⁵⁸ is an apocalyptic number.

106558 is a deficient number, since it is larger than the sum of its proper divisors (53282).

106558 is an equidigital number, since it uses as much as digits as its factorization.

106558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53281.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 106558 is about 326.4322288010. The cubic root of 106558 is about 47.4091337654.

The spelling of 106558 in words is "one hundred six thousand, five hundred fifty-eight".