16241386720 has 144 divisors (see below), whose sum is σ = 41731844112. Its totient is φ = 5970432000.

The previous prime is 16241386717. The next prime is 16241386739. The reversal of 16241386720 is 2768314261.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6785844 + ... + 6788236.

It is an arithmetic number, because the mean of its divisors is an integer number (289804473).

Almost surely, 2^16241386720 is an apocalyptic number.

16241386720 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 16241386720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20865922056).

16241386720 is an abundant number, since it is smaller than the sum of its proper divisors (25490457392).

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

16241386720 is a wasteful number, since it uses less digits than its factorization.

16241386720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 16241386720 in words is "sixteen billion, two hundred forty-one million, three hundred eighty-six thousand, seven hundred twenty".