26606149 has 2 divisors, whose sum is σ = 26606150. Its totient is φ = 26606148.

The previous prime is 26606143. The next prime is 26606191. The reversal of 26606149 is 94160662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 2772225 = 4882^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 26606149 - 2³ = 26606141 is a prime.

It is a super-2 number, since 2×26606149² = 1415774329220402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26606141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13303074 + 13303075.

It is an arithmetic number, because the mean of its divisors is an integer number (13303075).

Almost surely, 2^26606149 is an apocalyptic number.

It is an amenable number.

26606149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26606149 is an equidigital number, since it uses as much as digits as its factorization.

26606149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 26606149 is about 5158.1148688256. The cubic root of 26606149 is about 298.5341417907.

It can be divided in two parts, 2660 and 6149, that multiplied together give a triangular number (16356340 = T₅₇₁₉).

The spelling of 26606149 in words is "twenty-six million, six hundred six thousand, one hundred forty-nine".