26169821132 has 48 divisors (see below), whose sum is σ = 56470381632. Its totient is φ = 10333681920.

The previous prime is 26169821047. The next prime is 26169821147. The reversal of 26169821132 is 23112896162.

It is a super-2 number, since 2×26169821132² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26169821132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130478 + ... + 263370.

It is an arithmetic number, because the mean of its divisors is an integer number (1176466284).

Almost surely, 2^26169821132 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 26169821132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28235190816).

26169821132 is an abundant number, since it is smaller than the sum of its proper divisors (30300560500).

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

26169821132 is a wasteful number, since it uses less digits than its factorization.

26169821132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133458 (or 133456 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The spelling of 26169821132 in words is "twenty-six billion, one hundred sixty-nine million, eight hundred twenty-one thousand, one hundred thirty-two".