206511412 has 6 divisors (see below), whose sum is σ = 361394978. Its totient is φ = 103255704.

The previous prime is 206511377. The next prime is 206511433. The reversal of 206511412 is 214115602.

206511412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 189172516 + 17338896 = 13754^2 + 4164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25813923 + ... + 25813930.

Almost surely, 2^206511412 is an apocalyptic number.

It is an amenable number.

206511412 is a deficient number, since it is larger than the sum of its proper divisors (154883566).

206511412 is a wasteful number, since it uses less digits than its factorization.

206511412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51627857 (or 51627855 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 206511412 is about 14370.5049319779. The cubic root of 206511412 is about 591.0823873089.

The spelling of 206511412 in words is "two hundred six million, five hundred eleven thousand, four hundred twelve".