505166506123350 has 48 divisors (see below), whose sum is σ = 1252885817675520. Its totient is φ = 134703231472800.

The previous prime is 505166506123337. The next prime is 505166506123369. The reversal of 505166506123350 is 53321605661505.

It is a super-2 number, since 2×505166506123350² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505166506123350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95373090 + ... + 100530389.

It is an arithmetic number, because the mean of its divisors is an integer number (26101787868240).

Almost surely, 2^{505166506123350} is an apocalyptic number.

505166506123350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505166506123350 is an abundant number, since it is smaller than the sum of its proper divisors (747719311552170).

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

505166506123350 is a wasteful number, since it uses less digits than its factorization.

505166506123350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195920685 (or 195920680 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 48.

The spelling of 505166506123350 in words is "five hundred five trillion, one hundred sixty-six billion, five hundred six million, one hundred twenty-three thousand, three hundred fifty".