26681149 has 12 divisors (see below), whose sum is σ = 30723840. Its totient is φ = 22975560.

The previous prime is 26681099. The next prime is 26681153. The reversal of 26681149 is 94118662.

It is a happy number.

It is not a de Polignac number, because 26681149 - 2⁹ = 26680637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26681159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612 + ... + 7330.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 2^26681149 is an apocalyptic number.

It is an amenable number.

26681149 is a deficient number, since it is larger than the sum of its proper divisors (4042691).

26681149 is a wasteful number, since it uses less digits than its factorization.

26681149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768 (or 6749 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 26681149 is about 5165.3798505047. The cubic root of 26681149 is about 298.8143909804.

The spelling of 26681149 in words is "twenty-six million, six hundred eighty-one thousand, one hundred forty-nine".