16261120 has 56 divisors (see below), whose sum is σ = 39122604. Its totient is φ = 6488064.

The previous prime is 16261109. The next prime is 16261121. The reversal of 16261120 is 2116261.

It can be written as a sum of positive squares in 2 ways, for example, as 16257024 + 4096 = 4032^2 + 64^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16261121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40762 + ... + 41158.

Almost surely, 2^16261120 is an apocalyptic number.

16261120 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 16261120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19561302).

16261120 is an abundant number, since it is smaller than the sum of its proper divisors (22861484).

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

16261120 is an frugal number, since it uses more digits than its factorization.

16261120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16261120 is about 4032.5079045180. The cubic root of 16261120 is about 253.3476138456.

Adding to 16261120 its reverse (2116261), we get a palindrome (18377381).

The spelling of 16261120 in words is "sixteen million, two hundred sixty-one thousand, one hundred twenty".