26066155216 has 40 divisors (see below), whose sum is σ = 53581392000. Its totient is φ = 12241780224.

The previous prime is 26066155177. The next prime is 26066155249. The reversal of 26066155216 is 61255166062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39705 + ... + 231751.

It is an arithmetic number, because the mean of its divisors is an integer number (1339534800).

Almost surely, 2^26066155216 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 26066155216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26790696000).

26066155216 is an abundant number, since it is smaller than the sum of its proper divisors (27515236784).

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

26066155216 is a wasteful number, since it uses less digits than its factorization.

26066155216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192571 (or 192565 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 26066155216 in words is "twenty-six billion, sixty-six million, one hundred fifty-five thousand, two hundred sixteen".