26211549616 has 160 divisors (see below), whose sum is σ = 62103168000. Its totient is φ = 10692380160.

The previous prime is 26211549613. The next prime is 26211549643. The reversal of 26211549616 is 61694511262.

It is not an unprimeable number, because it can be changed into a prime (26211549613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35468575 + ... + 35469313.

It is an arithmetic number, because the mean of its divisors is an integer number (388144800).

Almost surely, 2^26211549616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26211549616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31051584000).

26211549616 is an abundant number, since it is smaller than the sum of its proper divisors (35891618384).

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

26211549616 is a wasteful number, since it uses less digits than its factorization.

26211549616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1052 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The spelling of 26211549616 in words is "twenty-six billion, two hundred eleven million, five hundred forty-nine thousand, six hundred sixteen".