206106055 has 8 divisors (see below), whose sum is σ = 247406544. Its totient is φ = 164832000.

The previous prime is 206106041. The next prime is 206106077. The reversal of 206106055 is 550601602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206106055 - 2⁷ = 206105927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21175 + ... + 29335.

It is an arithmetic number, because the mean of its divisors is an integer number (30925818).

Almost surely, 2^206106055 is an apocalyptic number.

206106055 is a deficient number, since it is larger than the sum of its proper divisors (41300489).

206106055 is an equidigital number, since it uses as much as digits as its factorization.

206106055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 206106055 is about 14356.3942199983. The cubic root of 206106055 is about 590.6953928399.

Adding to 206106055 its reverse (550601602), we get a palindrome (756707657).

The spelling of 206106055 in words is "two hundred six million, one hundred six thousand, fifty-five".