26564132546 has 24 divisors (see below), whose sum is σ = 46716696576. Its totient is φ = 11294980200.

The previous prime is 26564132473. The next prime is 26564132669. The reversal of 26564132546 is 64523146562.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26564132497 and 26564132506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054730 + ... + 1079621.

It is an arithmetic number, because the mean of its divisors is an integer number (1946529024).

Almost surely, 2^26564132546 is an apocalyptic number.

26564132546 is a deficient number, since it is larger than the sum of its proper divisors (20152564030).

26564132546 is a wasteful number, since it uses less digits than its factorization.

26564132546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134494 (or 2134487 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 26564132546 in words is "twenty-six billion, five hundred sixty-four million, one hundred thirty-two thousand, five hundred forty-six".