5166123018 has 96 divisors (see below), whose sum is σ = 12267085824. Its totient is φ = 1445901408.

The previous prime is 5166122993. The next prime is 5166123019. The reversal of 5166123018 is 8103216615.

It is a self number, because there is not a number n which added to its sum of digits gives 5166123018.

It is not an unprimeable number, because it can be changed into a prime (5166123019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3098221 + ... + 3099887.

It is an arithmetic number, because the mean of its divisors is an integer number (127782144).

Almost surely, 2^5166123018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5166123018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6133542912).

5166123018 is an abundant number, since it is smaller than the sum of its proper divisors (7100962806).

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

5166123018 is a wasteful number, since it uses less digits than its factorization.

5166123018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 5166123018 is about 71875.7470778565. The cubic root of 5166123018 is about 1728.7077587448.

The spelling of 5166123018 in words is "five billion, one hundred sixty-six million, one hundred twenty-three thousand, eighteen".