5166236520 has 96 divisors (see below), whose sum is σ = 16918593120. Its totient is φ = 1367134080.

The previous prime is 5166236513. The next prime is 5166236527. The reversal of 5166236520 is 256326615.

It is a happy number.

5166236520 is a `hidden beast` number, since 5 + 1 + 6 + 623 + 6 + 5 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (5166236513) and next prime (5166236527).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5166236527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7614 + ... + 101933.

It is an arithmetic number, because the mean of its divisors is an integer number (176235345).

Almost surely, 2^5166236520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5166236520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8459296560).

5166236520 is an abundant number, since it is smaller than the sum of its proper divisors (11752356600).

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

5166236520 is a wasteful number, since it uses less digits than its factorization.

5166236520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109695 (or 109688 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5166236520 is about 71876.5366444433. The cubic root of 5166236520 is about 1728.7204188093.

The spelling of 5166236520 in words is "five billion, one hundred sixty-six million, two hundred thirty-six thousand, five hundred twenty".