502551050166 has 128 divisors (see below), whose sum is σ = 1241341977600. Its totient is φ = 149421024000.

The previous prime is 502551050059. The next prime is 502551050179. The reversal of 502551050166 is 661050155205.

502551050166 is a `hidden beast` number, since 50 + 2 + 551 + 0 + 50 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 502551050166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14802751 + ... + 14836661.

It is an arithmetic number, because the mean of its divisors is an integer number (9697984200).

Almost surely, 2^502551050166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502551050166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620670988800).

502551050166 is an abundant number, since it is smaller than the sum of its proper divisors (738790927434).

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

502551050166 is a wasteful number, since it uses less digits than its factorization.

502551050166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34403 (or 34397 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 502551050166 in words is "five hundred two billion, five hundred fifty-one million, fifty thousand, one hundred sixty-six".