5165546280 has 128 divisors (see below), whose sum is σ = 15879905280. Its totient is φ = 1343612160.

The previous prime is 5165546279. The next prime is 5165546291. The reversal of 5165546280 is 826455615.

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 31 ways as a sum of consecutive naturals, for example, 1865457 + ... + 1868223.

It is an arithmetic number, because the mean of its divisors is an integer number (124061760).

Almost surely, 2^5165546280 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 5165546280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7939952640).

5165546280 is an abundant number, since it is smaller than the sum of its proper divisors (10714359000).

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

5165546280 is a wasteful number, since it uses less digits than its factorization.

5165546280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 5165546280 is about 71871.7349171425. The cubic root of 5165546280 is about 1728.6434262621.

The spelling of 5165546280 in words is "five billion, one hundred sixty-five million, five hundred forty-six thousand, two hundred eighty".