26535412616 has 32 divisors (see below), whose sum is σ = 54649598400. Its totient is φ = 12022908480.

The previous prime is 26535412601. The next prime is 26535412627. The reversal of 26535412616 is 61621453562.

It is a happy number.

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, 3791615 + ... + 3798606.

It is an arithmetic number, because the mean of its divisors is an integer number (1707799950).

Almost surely, 2^26535412616 is an apocalyptic number.

It is an amenable number.

26535412616 is an abundant number, since it is smaller than the sum of its proper divisors (28114185784).

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

26535412616 is a wasteful number, since it uses less digits than its factorization.

26535412616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7590269 (or 7590265 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 26535412616 in words is "twenty-six billion, five hundred thirty-five million, four hundred twelve thousand, six hundred sixteen".