206142648 has 64 divisors (see below), whose sum is σ = 523670400. Its totient is φ = 67616640.

The previous prime is 206142641. The next prime is 206142649. The reversal of 206142648 is 846241602.

206142648 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206142641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543723 + ... + 544101.

It is an arithmetic number, because the mean of its divisors is an integer number (8182350).

Almost surely, 2^206142648 is an apocalyptic number.

It is an amenable number.

206142648 is an abundant number, since it is smaller than the sum of its proper divisors (317527752).

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

206142648 is a wasteful number, since it uses less digits than its factorization.

206142648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 206142648 is about 14357.6686129747. The cubic root of 206142648 is about 590.7303490140.

The spelling of 206142648 in words is "two hundred six million, one hundred forty-two thousand, six hundred forty-eight".