26166474 has 48 divisors (see below), whose sum is σ = 58953960. Its totient is φ = 8380800.

The previous prime is 26166473. The next prime is 26166523. The reversal of 26166474 is 47466162.

26166474 is a `hidden beast` number, since 2 + 6 + 1 + 6 + 647 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26163225 + 3249 = 5115^2 + 57^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26166473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67072 + ... + 67460.

Almost surely, 2^26166474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26166474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29476980).

26166474 is an abundant number, since it is smaller than the sum of its proper divisors (32787486).

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

26166474 is a wasteful number, since it uses less digits than its factorization.

26166474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 532 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 26166474 is about 5115.3175854486. The cubic root of 26166474 is about 296.8805423748.

The spelling of 26166474 in words is "twenty-six million, one hundred sixty-six thousand, four hundred seventy-four".