206116730 has 16 divisors (see below), whose sum is σ = 372224160. Its totient is φ = 82176912.

The previous prime is 206116709. The next prime is 206116733. The reversal of 206116730 is 37611602.

206116730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206116730.

It is not an unprimeable number, because it can be changed into a prime (206116733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30500 + ... + 36639.

It is an arithmetic number, because the mean of its divisors is an integer number (23264010).

Almost surely, 2^206116730 is an apocalyptic number.

206116730 is a deficient number, since it is larger than the sum of its proper divisors (166107430).

206116730 is a wasteful number, since it uses less digits than its factorization.

206116730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67453.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 206116730 is about 14356.7660007399. The cubic root of 206116730 is about 590.7055907684.

The spelling of 206116730 in words is "two hundred six million, one hundred sixteen thousand, seven hundred thirty".