5161800 has 96 divisors (see below), whose sum is σ = 18302400. Its totient is φ = 1178880.

The previous prime is 5161799. The next prime is 5161811. The reversal of 5161800 is 81615.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3586 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (190650).

Almost surely, 2^5161800 is an apocalyptic number.

5161800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5161800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9151200).

5161800 is an abundant number, since it is smaller than the sum of its proper divisors (13140600).

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

5161800 is a wasteful number, since it uses less digits than its factorization.

5161800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 5161800 is about 2271.9595066814. The cubic root of 5161800 is about 172.8225429266.

The spelling of 5161800 in words is "five million, one hundred sixty-one thousand, eight hundred".