26720167467968 has 112 divisors (see below), whose sum is σ = 57447564048000. Its totient is φ = 12257712073728.

The previous prime is 26720167467911. The next prime is 26720167467989. The reversal of 26720167467968 is 86976476102762.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 324472943 + ... + 324555281.

It is an arithmetic number, because the mean of its divisors is an integer number (512924679000).

Almost surely, 2^{26720167467968} 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 26720167467968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28723782024000).

26720167467968 is an abundant number, since it is smaller than the sum of its proper divisors (30727396580032).

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

26720167467968 is a wasteful number, since it uses less digits than its factorization.

26720167467968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84722 (or 84712 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 71.

The spelling of 26720167467968 in words is "twenty-six trillion, seven hundred twenty billion, one hundred sixty-seven million, four hundred sixty-seven thousand, nine hundred sixty-eight".