16115426208 has 288 divisors, whose sum is σ = 54399945600. Its totient is φ = 4427716608.

The previous prime is 16115426207. The next prime is 16115426219. The reversal of 16115426208 is 80262451161.

It is a happy number.

16115426208 is a `hidden beast` number, since 16 + 1 + 15 + 4 + 2 + 620 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16115426207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21806703 + ... + 21807441.

It is an arithmetic number, because the mean of its divisors is an integer number (188888700).

Almost surely, 2^16115426208 is an apocalyptic number.

16115426208 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 16115426208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27199972800).

16115426208 is an abundant number, since it is smaller than the sum of its proper divisors (38284519392).

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

16115426208 is a wasteful number, since it uses less digits than its factorization.

16115426208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

Adding to 16115426208 its reverse (80262451161), we get a palindrome (96377877369).

The spelling of 16115426208 in words is "sixteen billion, one hundred fifteen million, four hundred twenty-six thousand, two hundred eight".