26494116616 has 96 divisors (see below), whose sum is σ = 58546864800. Its totient is φ = 11141642240.

The previous prime is 26494116569. The next prime is 26494116619. The reversal of 26494116616 is 61661149462.

It is not an unprimeable number, because it can be changed into a prime (26494116619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1491660 + ... + 1509316.

It is an arithmetic number, because the mean of its divisors is an integer number (609863175).

Almost surely, 2^26494116616 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 26494116616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29273432400).

26494116616 is an abundant number, since it is smaller than the sum of its proper divisors (32052748184).

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

26494116616 is a wasteful number, since it uses less digits than its factorization.

26494116616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767 (or 17746 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The spelling of 26494116616 in words is "twenty-six billion, four hundred ninety-four million, one hundred sixteen thousand, six hundred sixteen".