206180118 has 12 divisors (see below), whose sum is σ = 446723628. Its totient is φ = 68726700.

The previous prime is 206180089. The next prime is 206180207. The reversal of 206180118 is 811081602.

It is a junction number, because it is equal to n+sod(n) for n = 206180091 and 206180100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5727208 + ... + 5727243.

It is an arithmetic number, because the mean of its divisors is an integer number (37226969).

Almost surely, 2^206180118 is an apocalyptic number.

206180118 is an abundant number, since it is smaller than the sum of its proper divisors (240543510).

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

206180118 is a wasteful number, since it uses less digits than its factorization.

206180118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11454459 (or 11454456 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 206180118 is about 14358.9734312729. The cubic root of 206180118 is about 590.7661386729.

The spelling of 206180118 in words is "two hundred six million, one hundred eighty thousand, one hundred eighteen".