26316615612 has 36 divisors (see below), whose sum is σ = 71430815400. Its totient is φ = 7519032864.

The previous prime is 26316615599. The next prime is 26316615649. The reversal of 26316615612 is 21651661362.

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 11 ways as a sum of consecutive naturals, for example, 22377487 + ... + 22378662.

Almost surely, 2^26316615612 is an apocalyptic number.

It is an amenable number.

26316615612 is an abundant number, since it is smaller than the sum of its proper divisors (45114199788).

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

26316615612 is a wasteful number, since it uses less digits than its factorization.

26316615612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44756170 (or 44756161 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The spelling of 26316615612 in words is "twenty-six billion, three hundred sixteen million, six hundred fifteen thousand, six hundred twelve".