26843032164 has 96 divisors (see below), whose sum is σ = 71581708800. Its totient is φ = 7755890688.

The previous prime is 26843032129. The next prime is 26843032169. The reversal of 26843032164 is 46123034862.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (26843032169) by changing a digit.

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, 1179477 + ... + 1202019.

It is an arithmetic number, because the mean of its divisors is an integer number (745642800).

Almost surely, 2^26843032164 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 26843032164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35790854400).

26843032164 is an abundant number, since it is smaller than the sum of its proper divisors (44738676636).

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

26843032164 is a wasteful number, since it uses less digits than its factorization.

26843032164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23029 (or 23027 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 26843032164 in words is "twenty-six billion, eight hundred forty-three million, thirty-two thousand, one hundred sixty-four".