26513668 has 6 divisors (see below), whose sum is σ = 46398926. Its totient is φ = 13256832.

The previous prime is 26513653. The next prime is 26513677. The reversal of 26513668 is 86631562.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 278784 = 5122^2 + 528^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314205 + ... + 3314212.

Almost surely, 2^26513668 is an apocalyptic number.

It is an amenable number.

26513668 is a deficient number, since it is larger than the sum of its proper divisors (19885258).

26513668 is a wasteful number, since it uses less digits than its factorization.

26513668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628421 (or 6628419 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 26513668 is about 5149.1424528750. The cubic root of 26513668 is about 298.1878460713.

The spelling of 26513668 in words is "twenty-six million, five hundred thirteen thousand, six hundred sixty-eight".