5166116550 has 288 divisors, whose sum is σ = 17137072800. Its totient is φ = 1139685120.

The previous prime is 5166116537. The next prime is 5166116567. The reversal of 5166116550 is 556116615.

It is a Curzon number.

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 143 ways as a sum of consecutive naturals, for example, 1917004 + ... + 1919696.

It is an arithmetic number, because the mean of its divisors is an integer number (59503725).

Almost surely, 2^5166116550 is an apocalyptic number.

5166116550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5166116550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8568536400).

5166116550 is an abundant number, since it is smaller than the sum of its proper divisors (11970956250).

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

5166116550 is a wasteful number, since it uses less digits than its factorization.

5166116550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 5166116550 is about 71875.7020835275. The cubic root of 5166116550 is about 1728.7070372956.

The spelling of 5166116550 in words is "five billion, one hundred sixty-six million, one hundred sixteen thousand, five hundred fifty".