205416126 has 24 divisors (see below), whose sum is σ = 445334760. Its totient is φ = 68431056.

The previous prime is 205416121. The next prime is 205416149. The reversal of 205416126 is 621614502.

205416126 is a `hidden beast` number, since 2 + 0 + 5 + 41 + 612 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 205416126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205416121) 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 11 ways as a sum of consecutive naturals, for example, 50401 + ... + 54323.

It is an arithmetic number, because the mean of its divisors is an integer number (18555615).

Almost surely, 2^205416126 is an apocalyptic number.

205416126 is an abundant number, since it is smaller than the sum of its proper divisors (239918634).

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

205416126 is a wasteful number, since it uses less digits than its factorization.

205416126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 205416126 is about 14332.3454465764. The cubic root of 205416126 is about 590.0355489449.

The spelling of 205416126 in words is "two hundred five million, four hundred sixteen thousand, one hundred twenty-six".