26520916 has 6 divisors (see below), whose sum is σ = 46411610. Its totient is φ = 13260456.

The previous prime is 26520887. The next prime is 26520917. The reversal of 26520916 is 61902562.

It can be written as a sum of positive squares in only one way, i.e., 22600516 + 3920400 = 4754^2 + 1980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26520917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315111 + ... + 3315118.

Almost surely, 2^26520916 is an apocalyptic number.

It is an amenable number.

26520916 is a deficient number, since it is larger than the sum of its proper divisors (19890694).

26520916 is a wasteful number, since it uses less digits than its factorization.

26520916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630233 (or 6630231 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 26520916 is about 5149.8462112960. The cubic root of 26520916 is about 298.2150153110.

It can be divided in two parts, 265209 and 16, that added together give a square (265225 = 515²).

The spelling of 26520916 in words is "twenty-six million, five hundred twenty thousand, nine hundred sixteen".