206916672 has 28 divisors (see below), whose sum is σ = 547467536. Its totient is φ = 68972160.

The previous prime is 206916667. The next prime is 206916679. The reversal of 206916672 is 276619602.

It is a self number, because there is not a number n which added to its sum of digits gives 206916672.

It is not an unprimeable number, because it can be changed into a prime (206916679) 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, 538654 + ... + 539037.

It is an arithmetic number, because the mean of its divisors is an integer number (19552412).

Almost surely, 2^206916672 is an apocalyptic number.

It is an amenable number.

206916672 is an abundant number, since it is smaller than the sum of its proper divisors (340550864).

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

206916672 is a wasteful number, since it uses less digits than its factorization.

206916672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077706 (or 1077696 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 206916672 is about 14384.5984302656. The cubic root of 206916672 is about 591.4687832686.

The spelling of 206916672 in words is "two hundred six million, nine hundred sixteen thousand, six hundred seventy-two".