5161856 has 48 divisors (see below), whose sum is σ = 11976840. Its totient is φ = 2209536.

The previous prime is 5161847. The next prime is 5161873. The reversal of 5161856 is 6581615.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5861 + ... + 6683.

Almost surely, 2^5161856 is an apocalyptic number.

5161856 is a gapful number since it is divisible by the number (56) 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 5161856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5988420).

5161856 is an abundant number, since it is smaller than the sum of its proper divisors (6814984).

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

5161856 is an equidigital number, since it uses as much as digits as its factorization.

5161856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 832 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 5161856 is about 2271.9718308113. The cubic root of 5161856 is about 172.8231679042.

The spelling of 5161856 in words is "five million, one hundred sixty-one thousand, eight hundred fifty-six".