26130216 has 32 divisors (see below), whose sum is σ = 74658240. Its totient is φ = 7465728.

The previous prime is 26130211. The next prime is 26130227. The reversal of 26130216 is 61203162.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 26130192 and 26130201.

It is not an unprimeable number, because it can be changed into a prime (26130211) 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 7 ways as a sum of consecutive naturals, for example, 77601 + ... + 77936.

It is an arithmetic number, because the mean of its divisors is an integer number (2333070).

Almost surely, 2^26130216 is an apocalyptic number.

It is an amenable number.

26130216 is an abundant number, since it is smaller than the sum of its proper divisors (48528024).

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

26130216 is a wasteful number, since it uses less digits than its factorization.

26130216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155553 (or 155549 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 26130216 is about 5111.7722953981. The cubic root of 26130216 is about 296.7433532062.

Adding to 26130216 its reverse (61203162), we get a palindrome (87333378).

The spelling of 26130216 in words is "twenty-six million, one hundred thirty thousand, two hundred sixteen".