26766516768 has 48 divisors (see below), whose sum is σ = 70284525696. Its totient is φ = 8919325440.

The previous prime is 26766516761. The next prime is 26766516769. The reversal of 26766516768 is 86761566762.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (26766516761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269433 + ... + 355143.

It is an arithmetic number, because the mean of its divisors is an integer number (1464260952).

Almost surely, 2^26766516768 is an apocalyptic number.

It is an amenable number.

26766516768 is an abundant number, since it is smaller than the sum of its proper divisors (43518008928).

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

26766516768 is a wasteful number, since it uses less digits than its factorization.

26766516768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88977 (or 88969 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 26766516768 in words is "twenty-six billion, seven hundred sixty-six million, five hundred sixteen thousand, seven hundred sixty-eight".