206151580 has 12 divisors (see below), whose sum is σ = 432918360. Its totient is φ = 82460624.

The previous prime is 206151559. The next prime is 206151611. The reversal of 206151580 is 85151602.

206151580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5153770 + ... + 5153809.

It is an arithmetic number, because the mean of its divisors is an integer number (36076530).

Almost surely, 2^206151580 is an apocalyptic number.

206151580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206151580 is an abundant number, since it is smaller than the sum of its proper divisors (226766780).

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

206151580 is a wasteful number, since it uses less digits than its factorization.

206151580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307588 (or 10307586 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 206151580 is about 14357.9796628913. The cubic root of 206151580 is about 590.7388808524.

The spelling of 206151580 in words is "two hundred six million, one hundred fifty-one thousand, five hundred eighty".