5156546220 has 144 divisors (see below), whose sum is σ = 18312211008. Its totient is φ = 1149880320.

The previous prime is 5156546191. The next prime is 5156546221. The reversal of 5156546220 is 226456515.

5156546220 is a `hidden beast` number, since 51 + 565 + 46 + 2 + 2 + 0 = 666.

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 (5156546221) 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 47 ways as a sum of consecutive naturals, for example, 1752 + ... + 101568.

It is an arithmetic number, because the mean of its divisors is an integer number (127168132).

Almost surely, 2^5156546220 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 5156546220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9156105504).

5156546220 is an abundant number, since it is smaller than the sum of its proper divisors (13155664788).

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

5156546220 is a wasteful number, since it uses less digits than its factorization.

5156546220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99880 (or 99875 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5156546220 is about 71809.0956634325. The cubic root of 5156546220 is about 1727.6388897876.

The spelling of 5156546220 in words is "five billion, one hundred fifty-six million, five hundred forty-six thousand, two hundred twenty".