26923378666896 has 160 divisors (see below), whose sum is σ = 79950713184000. Its totient is φ = 8664365187072.

The previous prime is 26923378666843. The next prime is 26923378666897. The reversal of 26923378666896 is 69866687332962.

It is not an unprimeable number, because it can be changed into a prime (26923378666897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190768485 + ... + 190909563.

It is an arithmetic number, because the mean of its divisors is an integer number (499691957400).

Almost surely, 2^{26923378666896} 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 26923378666896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39975356592000).

26923378666896 is an abundant number, since it is smaller than the sum of its proper divisors (53027334517104).

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

26923378666896 is a wasteful number, since it uses less digits than its factorization.

26923378666896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156358 (or 156346 counting only the distinct ones).

The product of its digits is 10158317568, while the sum is 81.

The spelling of 26923378666896 in words is "twenty-six trillion, nine hundred twenty-three billion, three hundred seventy-eight million, six hundred sixty-six thousand, eight hundred ninety-six".