26668951 has 12 divisors (see below), whose sum is σ = 29091400. Its totient is φ = 24379488.

The previous prime is 26668927. The next prime is 26668963. The reversal of 26668951 is 15986662.

It is not a de Polignac number, because 26668951 - 2¹³ = 26660759 is a prime.

It is a super-2 number, since 2×26668951² = 1422465894880802, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26668898 and 26668907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26668981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15145 + ... + 16813.

Almost surely, 2^26668951 is an apocalyptic number.

26668951 is the 2310-th centered decagonal number.

26668951 is a deficient number, since it is larger than the sum of its proper divisors (2422449).

26668951 is a wasteful number, since it uses less digits than its factorization.

26668951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1717 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 26668951 is about 5164.1989698307. The cubic root of 26668951 is about 298.7688470454.

The spelling of 26668951 in words is "twenty-six million, six hundred sixty-eight thousand, nine hundred fifty-one".