206364660 has 24 divisors (see below), whose sum is σ = 577821216. Its totient is φ = 55030560.

The previous prime is 206364659. The next prime is 206364661. The reversal of 206364660 is 66463602.

206364660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (206364659) and next prime (206364661).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206364661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719646 + ... + 1719765.

It is an arithmetic number, because the mean of its divisors is an integer number (24075884).

Almost surely, 2^206364660 is an apocalyptic number.

206364660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206364660 is an abundant number, since it is smaller than the sum of its proper divisors (371456556).

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

206364660 is a wasteful number, since it uses less digits than its factorization.

206364660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439423 (or 3439421 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 206364660 is about 14365.3980104973. The cubic root of 206364660 is about 590.9423416541.

The spelling of 206364660 in words is "two hundred six million, three hundred sixty-four thousand, six hundred sixty".