26662322016 has 384 divisors, whose sum is σ = 89042042880. Its totient is φ = 7683033600.

The previous prime is 26662321967. The next prime is 26662322021. The reversal of 26662322016 is 61022326662.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61861321 + ... + 61861751.

It is an arithmetic number, because the mean of its divisors is an integer number (231880320).

Almost surely, 2^26662322016 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 26662322016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44521021440).

26662322016 is an abundant number, since it is smaller than the sum of its proper divisors (62379720864).

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

26662322016 is a wasteful number, since it uses less digits than its factorization.

26662322016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 26662322016 its reverse (61022326662), we get a palindrome (87684648678).

The spelling of 26662322016 in words is "twenty-six billion, six hundred sixty-two million, three hundred twenty-two thousand, sixteen".