26166825 has 36 divisors (see below), whose sum is σ = 49631868. Its totient is φ = 13132800.

The previous prime is 26166799. The next prime is 26166851. The reversal of 26166825 is 52866162.

It is an interprime number because it is at equal distance from previous prime (26166799) and next prime (26166851).

It can be written as a sum of positive squares in 6 ways, for example, as 522729 + 25644096 = 723^2 + 5064^2 .

It is not a de Polignac number, because 26166825 - 2⁵ = 26166793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26166825.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 405 + ... + 7245.

It is an arithmetic number, because the mean of its divisors is an integer number (1378663).

Almost surely, 2^26166825 is an apocalyptic number.

26166825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26166825 is a deficient number, since it is larger than the sum of its proper divisors (23465043).

26166825 is a wasteful number, since it uses less digits than its factorization.

26166825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874 (or 6866 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 26166825 is about 5115.3518940538. The cubic root of 26166825 is about 296.8818698318.

The spelling of 26166825 in words is "twenty-six million, one hundred sixty-six thousand, eight hundred twenty-five".