206930160 has 80 divisors (see below), whose sum is σ = 712766880. Its totient is φ = 55180800.

The previous prime is 206930131. The next prime is 206930183. The reversal of 206930160 is 61039602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×206930160² = 85640182235251200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45741 + ... + 50060.

It is an arithmetic number, because the mean of its divisors is an integer number (8909586).

Almost surely, 2^206930160 is an apocalyptic number.

206930160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206930160 is an abundant number, since it is smaller than the sum of its proper divisors (505836720).

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

206930160 is a wasteful number, since it uses less digits than its factorization.

206930160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95823 (or 95811 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 206930160 is about 14385.0672574027. The cubic root of 206930160 is about 591.4816347505.

Adding to 206930160 its reverse (61039602), we get a palindrome (267969762).

The spelling of 206930160 in words is "two hundred six million, nine hundred thirty thousand, one hundred sixty".