26650016 has 24 divisors (see below), whose sum is σ = 55554660. Its totient is φ = 12540928.

The previous prime is 26650009. The next prime is 26650051. The reversal of 26650016 is 61005662.

It can be written as a sum of positive squares in 2 ways, for example, as 25200400 + 1449616 = 5020^2 + 1204^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23951 + ... + 25038.

Almost surely, 2^26650016 is an apocalyptic number.

It is an amenable number.

26650016 is an abundant number, since it is smaller than the sum of its proper divisors (28904644).

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

26650016 is a wasteful number, since it uses less digits than its factorization.

26650016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49016 (or 49008 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 26650016 is about 5162.3653493336. The cubic root of 26650016 is about 298.6981215100.

Adding to 26650016 its reverse (61005662), we get a palindrome (87655678).

The spelling of 26650016 in words is "twenty-six million, six hundred fifty thousand, sixteen".