206864487010 has 8 divisors (see below), whose sum is σ = 372356076636. Its totient is φ = 82745794800.

The previous prime is 206864487007. The next prime is 206864487107. The reversal of 206864487010 is 10784468602.

It can be written as a sum of positive squares in 2 ways, for example, as 196788944881 + 10075542129 = 443609^2 + 100377^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10343224341 + ... + 10343224360.

Almost surely, 2^206864487010 is an apocalyptic number.

206864487010 is a deficient number, since it is larger than the sum of its proper divisors (165491589626).

206864487010 is a wasteful number, since it uses less digits than its factorization.

206864487010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20686448708.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 206864487010 in words is "two hundred six billion, eight hundred sixty-four million, four hundred eighty-seven thousand, ten".