206141881 has 16 divisors (see below), whose sum is σ = 239018688. Its totient is φ = 175705600.

The previous prime is 206141867. The next prime is 206141899. The reversal of 206141881 is 188141602.

It is a cyclic number.

It is not a de Polignac number, because 206141881 - 2¹¹ = 206139833 is a prime.

It is a super-2 number, since 2×206141881² = 84988950204436322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206141851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50586 + ... + 54508.

It is an arithmetic number, because the mean of its divisors is an integer number (14938668).

Almost surely, 2^206141881 is an apocalyptic number.

It is an amenable number.

206141881 is a deficient number, since it is larger than the sum of its proper divisors (32876807).

206141881 is a wasteful number, since it uses less digits than its factorization.

206141881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 206141881 is about 14357.6419024852. The cubic root of 206141881 is about 590.7296163648.

The spelling of 206141881 in words is "two hundred six million, one hundred forty-one thousand, eight hundred eighty-one".