26190916 has 24 divisors (see below), whose sum is σ = 46652760. Its totient is φ = 12864000.

The previous prime is 26190893. The next prime is 26190919. The reversal of 26190916 is 61909162.

It can be written as a sum of positive squares in 4 ways, for example, as 7268416 + 18922500 = 2696^2 + 4350^2 .

It is not an unprimeable number, because it can be changed into a prime (26190919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97230 + ... + 97498.

It is an arithmetic number, because the mean of its divisors is an integer number (1943865).

Almost surely, 2^26190916 is an apocalyptic number.

It is an amenable number.

26190916 is a deficient number, since it is larger than the sum of its proper divisors (20461844).

26190916 is a wasteful number, since it uses less digits than its factorization.

26190916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 26190916 is about 5117.7061267720. The cubic root of 26190916 is about 296.9729519216.

The spelling of 26190916 in words is "twenty-six million, one hundred ninety thousand, nine hundred sixteen".