26234221164 has 96 divisors (see below), whose sum is σ = 64387491840. Its totient is φ = 8302560000.

The previous prime is 26234221127. The next prime is 26234221187. The reversal of 26234221164 is 46112243262.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5304877 + ... + 5309819.

It is an arithmetic number, because the mean of its divisors is an integer number (670703040).

Almost surely, 2^26234221164 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 26234221164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32193745920).

26234221164 is an abundant number, since it is smaller than the sum of its proper divisors (38153270676).

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

26234221164 is a wasteful number, since it uses less digits than its factorization.

26234221164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231 (or 5229 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The spelling of 26234221164 in words is "twenty-six billion, two hundred thirty-four million, two hundred twenty-one thousand, one hundred sixty-four".