26116437816 has 192 divisors, whose sum is σ = 88353607680. Its totient is φ = 6796293120.

The previous prime is 26116437811. The next prime is 26116437839. The reversal of 26116437816 is 61873461162.

26116437816 is a `hidden beast` number, since 26 + 116 + 437 + 81 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26116437811) 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, 216445 + ... + 314771.

It is an arithmetic number, because the mean of its divisors is an integer number (460175040).

Almost surely, 2^26116437816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26116437816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44176803840).

26116437816 is an abundant number, since it is smaller than the sum of its proper divisors (62237169864).

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

26116437816 is a wasteful number, since it uses less digits than its factorization.

26116437816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98394 (or 98387 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

Adding to 26116437816 its reverse (61873461162), we get a palindrome (87989898978).

The spelling of 26116437816 in words is "twenty-six billion, one hundred sixteen million, four hundred thirty-seven thousand, eight hundred sixteen".