206642412 has 36 divisors (see below), whose sum is σ = 553073976. Its totient is φ = 64828800.

The previous prime is 206642399. The next prime is 206642437. The reversal of 206642412 is 214246602.

206642412 is a `hidden beast` number, since 2 + 0 + 6 + 642 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168214 + ... + 169437.

It is an arithmetic number, because the mean of its divisors is an integer number (15363166).

Almost surely, 2^206642412 is an apocalyptic number.

It is an amenable number.

206642412 is an abundant number, since it is smaller than the sum of its proper divisors (346431564).

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

206642412 is a wasteful number, since it uses less digits than its factorization.

206642412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337678 (or 337673 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 206642412 is about 14375.0621563874. The cubic root of 206642412 is about 591.2073447707.

The spelling of 206642412 in words is "two hundred six million, six hundred forty-two thousand, four hundred twelve".