16041720 has 64 divisors (see below), whose sum is σ = 49439520. Its totient is φ = 4161024.

The previous prime is 16041713. The next prime is 16041721. The reversal of 16041720 is 2714061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16041721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634 + ... + 6246.

Almost surely, 2^16041720 is an apocalyptic number.

16041720 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 16041720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24719760).

16041720 is an abundant number, since it is smaller than the sum of its proper divisors (33397800).

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

16041720 is a wasteful number, since it uses less digits than its factorization.

16041720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16041720 is about 4005.2116048968. The cubic root of 16041720 is about 252.2030361684.

Adding to 16041720 its reverse (2714061), we get a palindrome (18755781).

It can be divided in two parts, 16041 and 720, that added together give a palindrome (16761).

The spelling of 16041720 in words is "sixteen million, forty-one thousand, seven hundred twenty".