16481860 has 48 divisors (see below), whose sum is σ = 36232560. Its totient is φ = 6289920.

The previous prime is 16481851. The next prime is 16481897. The reversal of 16481860 is 6818461.

It can be written as a sum of positive squares in 8 ways, for example, as 3865156 + 12616704 = 1966^2 + 3552^2 .

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, 90970 + ... + 91150.

It is an arithmetic number, because the mean of its divisors is an integer number (754845).

Almost surely, 2^16481860 is an apocalyptic number.

16481860 is a gapful number since it is divisible by the number (10) 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 16481860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18116280).

16481860 is an abundant number, since it is smaller than the sum of its proper divisors (19750700).

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

16481860 is a wasteful number, since it uses less digits than its factorization.

16481860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 16481860 is about 4059.7857086304. The cubic root of 16481860 is about 254.4888389083.

The spelling of 16481860 in words is "sixteen million, four hundred eighty-one thousand, eight hundred sixty".