26471666816 has 64 divisors (see below), whose sum is σ = 62214581760. Its totient is φ = 10979020800.

The previous prime is 26471666779. The next prime is 26471666827. The reversal of 26471666816 is 61866617462.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448745 + ... + 504296.

It is an arithmetic number, because the mean of its divisors is an integer number (972102840).

Almost surely, 2^26471666816 is an apocalyptic number.

It is an amenable number.

26471666816 is an abundant number, since it is smaller than the sum of its proper divisors (35742914944).

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

26471666816 is an equidigital number, since it uses as much as digits as its factorization.

26471666816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953093 (or 953081 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The spelling of 26471666816 in words is "twenty-six billion, four hundred seventy-one million, six hundred sixty-six thousand, eight hundred sixteen".