26552426161266 has 224 divisors, whose sum is σ = 60743355382080. Its totient is φ = 8699939094528.

The previous prime is 26552426161249. The next prime is 26552426161319. The reversal of 26552426161266 is 66216162425562.

26552426161266 is a `hidden beast` number, since 2 + 6 + 5 + 5 + 2 + 4 + 2 + 616 + 12 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 18844872370 + ... + 18844873778.

It is an arithmetic number, because the mean of its divisors is an integer number (271175693670).

Almost surely, 2^{26552426161266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26552426161266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30371677691040).

26552426161266 is an abundant number, since it is smaller than the sum of its proper divisors (34190929220814).

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

26552426161266 is a wasteful number, since it uses less digits than its factorization.

26552426161266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 2325 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 26552426161266 in words is "twenty-six trillion, five hundred fifty-two billion, four hundred twenty-six million, one hundred sixty-one thousand, two hundred sixty-six".