26157216 has 48 divisors (see below), whose sum is σ = 69552000. Its totient is φ = 8606208.

The previous prime is 26157199. The next prime is 26157223. The reversal of 26157216 is 61275162.

It is a tau number, because it is divible by the number of its divisors (48).

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, 5860 + ... + 9308.

It is an arithmetic number, because the mean of its divisors is an integer number (1449000).

Almost surely, 2^26157216 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 26157216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34776000).

26157216 is an abundant number, since it is smaller than the sum of its proper divisors (43394784).

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

26157216 is a wasteful number, since it uses less digits than its factorization.

26157216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3533 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 26157216 is about 5114.4125762398. The cubic root of 26157216 is about 296.8455249924.

The spelling of 26157216 in words is "twenty-six million, one hundred fifty-seven thousand, two hundred sixteen".