50012166623 has 16 divisors (see below), whose sum is σ = 52151662080. Its totient is φ = 47915834400.

The previous prime is 50012166593. The next prime is 50012166637. The reversal of 50012166623 is 32666121005.

It is a cyclic number.

It is not a de Polignac number, because 50012166623 - 2⁶ = 50012166559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50012166623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50017166623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2192708 + ... + 2215398.

It is an arithmetic number, because the mean of its divisors is an integer number (3259478880).

Almost surely, 2^50012166623 is an apocalyptic number.

50012166623 is a deficient number, since it is larger than the sum of its proper divisors (2139495457).

50012166623 is a wasteful number, since it uses less digits than its factorization.

50012166623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23638.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 50012166623 its reverse (32666121005), we get a palindrome (82678287628).

The spelling of 50012166623 in words is "fifty billion, twelve million, one hundred sixty-six thousand, six hundred twenty-three".