505168126 has 16 divisors (see below), whose sum is σ = 798842880. Its totient is φ = 239234040.

The previous prime is 505168121. The next prime is 505168127. The reversal of 505168126 is 621861505.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 505168091 and 505168100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505168121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83766 + ... + 89593.

It is an arithmetic number, because the mean of its divisors is an integer number (49927680).

Almost surely, 2^505168126 is an apocalyptic number.

505168126 is a deficient number, since it is larger than the sum of its proper divisors (293674754).

505168126 is a wasteful number, since it uses less digits than its factorization.

505168126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173439.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 505168126 is about 22475.9454973534. The cubic root of 505168126 is about 796.4257873279.

The spelling of 505168126 in words is "five hundred five million, one hundred sixty-eight thousand, one hundred twenty-six".