26961816 has 96 divisors (see below), whose sum is σ = 80075520. Its totient is φ = 7410240.

The previous prime is 26961799. The next prime is 26961821. The reversal of 26961816 is 61816962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161365 + ... + 161531.

It is an arithmetic number, because the mean of its divisors is an integer number (834120).

Almost surely, 2^26961816 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 26961816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40037760).

26961816 is an abundant number, since it is smaller than the sum of its proper divisors (53113704).

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

26961816 is a wasteful number, since it uses less digits than its factorization.

26961816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 210 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 26961816 is about 5192.4768656201. The cubic root of 26961816 is about 299.8585110579.

The spelling of 26961816 in words is "twenty-six million, nine hundred sixty-one thousand, eight hundred sixteen".