206751055 has 16 divisors (see below), whose sum is σ = 284526144. Its totient is φ = 141281280.

The previous prime is 206751043. The next prime is 206751109. The reversal of 206751055 is 550157602.

206751055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206751055 - 2⁵ = 206751023 is a prime.

It is a super-2 number, since 2×206751055² = 85491997487226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 20335.

It is an arithmetic number, because the mean of its divisors is an integer number (17782884).

Almost surely, 2^206751055 is an apocalyptic number.

206751055 is a deficient number, since it is larger than the sum of its proper divisors (77775089).

206751055 is a wasteful number, since it uses less digits than its factorization.

206751055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 206751055 is about 14378.8405304461. The cubic root of 206751055 is about 591.3109364225.

The spelling of 206751055 in words is "two hundred six million, seven hundred fifty-one thousand, fifty-five".