206012816 has 20 divisors (see below), whose sum is σ = 399562224. Its totient is φ = 102900000.

The previous prime is 206012813. The next prime is 206012879. The reversal of 206012816 is 618210602.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (206012813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10691 + ... + 22941.

Almost surely, 2^206012816 is an apocalyptic number.

It is an amenable number.

206012816 is a deficient number, since it is larger than the sum of its proper divisors (193549408).

206012816 is a wasteful number, since it uses less digits than its factorization.

206012816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13310 (or 13304 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 206012816 is about 14353.1465539790. The cubic root of 206012816 is about 590.6063057678.

The spelling of 206012816 in words is "two hundred six million, twelve thousand, eight hundred sixteen".