16481836 has 48 divisors (see below), whose sum is σ = 34574400. Its totient is φ = 6867840.

The previous prime is 16481809. The next prime is 16481851. The reversal of 16481836 is 63818461.

It is a junction number, because it is equal to n+sod(n) for n = 16481795 and 16481804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56106 + ... + 56398.

It is an arithmetic number, because the mean of its divisors is an integer number (720300).

Almost surely, 2^16481836 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 16481836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17287200).

16481836 is an abundant number, since it is smaller than the sum of its proper divisors (18092564).

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

16481836 is a wasteful number, since it uses less digits than its factorization.

16481836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 343 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 16481836 is about 4059.7827528083. The cubic root of 16481836 is about 254.4887153839.

The spelling of 16481836 in words is "sixteen million, four hundred eighty-one thousand, eight hundred thirty-six".