26721161286 has 8 divisors (see below), whose sum is σ = 53442322584. Its totient is φ = 8907053760.

The previous prime is 26721161273. The next prime is 26721161287. The reversal of 26721161286 is 68216112762.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

26721161286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26721161287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226763435 + ... + 2226763446.

It is an arithmetic number, because the mean of its divisors is an integer number (6680290323).

Almost surely, 2^26721161286 is an apocalyptic number.

26721161286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26721161286 is a wasteful number, since it uses less digits than its factorization.

26721161286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453526886.

The product of its digits is 96768, while the sum is 42.

The spelling of 26721161286 in words is "twenty-six billion, seven hundred twenty-one million, one hundred sixty-one thousand, two hundred eighty-six".