16220625240708 has 768 divisors, whose sum is σ = 55964805120000. Its totient is φ = 3950108467200.

The previous prime is 16220625240587. The next prime is 16220625240761. The reversal of 16220625240708 is 80704252602261.

16220625240708 is a `hidden beast` number, since 1 + 62 + 2 + 0 + 62 + 524 + 0 + 7 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 715215313 + ... + 715237991.

It is an arithmetic number, because the mean of its divisors is an integer number (72870840000).

Almost surely, 2^{16220625240708} is an apocalyptic number.

16220625240708 is a gapful number since it is divisible by the number (18) 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 16220625240708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27982402560000).

16220625240708 is an abundant number, since it is smaller than the sum of its proper divisors (39744179879292).

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

16220625240708 is a wasteful number, since it uses less digits than its factorization.

16220625240708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22865 (or 22857 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

Adding to 16220625240708 its reverse (80704252602261), we get a palindrome (96924877842969).

The spelling of 16220625240708 in words is "sixteen trillion, two hundred twenty billion, six hundred twenty-five million, two hundred forty thousand, seven hundred eight".