206516050 has 24 divisors (see below), whose sum is σ = 413668836. Its totient is φ = 76251840.

The previous prime is 206516029. The next prime is 206516071. The reversal of 206516050 is 50615602.

It is an interprime number because it is at equal distance from previous prime (206516029) and next prime (206516071).

It can be written as a sum of positive squares in 6 ways, for example, as 1138489 + 205377561 = 1067^2 + 14331^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158209 + ... + 159508.

Almost surely, 2^206516050 is an apocalyptic number.

206516050 is an abundant number, since it is smaller than the sum of its proper divisors (207152786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206516050 is a wasteful number, since it uses less digits than its factorization.

206516050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317742 (or 317737 counting only the distinct ones).

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

The square root of 206516050 is about 14370.6663032721. Note that the first 3 decimals coincide. The cubic root of 206516050 is about 591.0868122776.

The spelling of 206516050 in words is "two hundred six million, five hundred sixteen thousand, fifty".