• 106 can be written using four 4's:

106 has 4 divisors (see below), whose sum is σ = 162. Its totient is φ = 52.

The previous prime is 103. The next prime is 107. The reversal of 106 is 601.

106 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in only one way, i.e., 81 + 25 = 9^2 + 5^2 .

It is a super-2 number, since 2×106^{2} = 22472, which contains 22 as substring.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 106 parts by 14 straight cuts.

It is a plaindrome in base 4, base 9, base 12, base 14 and base 16.

It is a nialpdrome in base 5, base 7, base 11, base 13 and base 15.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25 + ... + 28.

106 is the 7-th centered pentagonal number and also the 6-th centered heptagonal number.

106 is a deficient number, since it is larger than the sum of its proper divisors (56).

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

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

The sum of its prime factors is 55.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 106 is about 10.2956301410. The cubic root of 106 is about 4.7326234912.

Adding to 106 its reverse (601), we get a palindrome (707).

It can be divided in two parts, 10 and 6, that added together give a 4-th power (16 = 2^{4}).

The spelling of 106 in words is "one hundred six", and thus it is an aban number.

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