206682160 has 20 divisors (see below), whose sum is σ = 480536208. Its totient is φ = 82672832.

The previous prime is 206682121. The next prime is 206682167. The reversal of 206682160 is 61286602.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-4 number, since 4×206682160⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (206682167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291684 + ... + 1291843.

Almost surely, 2^206682160 is an apocalyptic number.

206682160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206682160 is an abundant number, since it is smaller than the sum of its proper divisors (273854048).

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

206682160 is a wasteful number, since it uses less digits than its factorization.

206682160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583540 (or 2583534 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 206682160 is about 14376.4446230631. Note that the first 3 decimals coincide. The cubic root of 206682160 is about 591.2452489014.

The spelling of 206682160 in words is "two hundred six million, six hundred eighty-two thousand, one hundred sixty".