505166012 has 18 divisors (see below), whose sum is σ = 957275928. Its totient is φ = 233153232.

The previous prime is 505166003. The next prime is 505166017. The reversal of 505166012 is 210661505.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505166017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372968 + ... + 374319.

It is an arithmetic number, because the mean of its divisors is an integer number (53181996).

Almost surely, 2^505166012 is an apocalyptic number.

505166012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505166012 is a deficient number, since it is larger than the sum of its proper divisors (452109916).

505166012 is a wasteful number, since it uses less digits than its factorization.

505166012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747317 (or 747302 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 505166012 is about 22475.8984692492. The cubic root of 505166012 is about 796.4246763800.

The spelling of 505166012 in words is "five hundred five million, one hundred sixty-six thousand, twelve".