106556 has 12 divisors (see below), whose sum is σ = 197568. Its totient is φ = 50112.

The previous prime is 106543. The next prime is 106591. The reversal of 106556 is 655601.

It is a super-2 number, since 2×106556² = 22708362272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

106556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (16464).

2¹⁰⁶⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

106556 is a deficient number, since it is larger than the sum of its proper divisors (91012).

106556 is a wasteful number, since it uses less digits than its factorization.

106556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 106556 is about 326.4291653636. The cubic root of 106556 is about 47.4088371543.

The spelling of 106556 in words is "one hundred six thousand, five hundred fifty-six".