26650117 has 12 divisors (see below), whose sum is σ = 29157024. Its totient is φ = 24345360.

The previous prime is 26650087. The next prime is 26650139. The reversal of 26650117 is 71105662.

It is not a de Polignac number, because 26650117 - 2¹⁹ = 26125829 is a prime.

It is a super-2 number, since 2×26650117² = 1420457472227378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26650147) 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 11 ways as a sum of consecutive naturals, for example, 16642 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (2429752).

Almost surely, 2^26650117 is an apocalyptic number.

It is an amenable number.

26650117 is a deficient number, since it is larger than the sum of its proper divisors (2506907).

26650117 is a wasteful number, since it uses less digits than its factorization.

26650117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 26650117 is about 5162.3751316618. The cubic root of 26650117 is about 298.6984988515.

Adding to 26650117 its reverse (71105662), we get a palindrome (97755779).

The spelling of 26650117 in words is "twenty-six million, six hundred fifty thousand, one hundred seventeen".