206110051 has 8 divisors (see below), whose sum is σ = 241032704. Its totient is φ = 172557000.

The previous prime is 206110049. The next prime is 206110063. The reversal of 206110051 is 150011602.

It is a happy number.

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

It is not a de Polignac number, because 206110051 - 2¹ = 206110049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206110031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342075 + ... + 342676.

It is an arithmetic number, because the mean of its divisors is an integer number (30129088).

Almost surely, 2^206110051 is an apocalyptic number.

206110051 is a deficient number, since it is larger than the sum of its proper divisors (34922653).

206110051 is an equidigital number, since it uses as much as digits as its factorization.

206110051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684801.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 206110051 is about 14356.5333907598. The cubic root of 206110051 is about 590.6992102977.

Adding to 206110051 its reverse (150011602), we get a palindrome (356121653).

The spelling of 206110051 in words is "two hundred six million, one hundred ten thousand, fifty-one".