26147660836 has 12 divisors (see below), whose sum is σ = 49918261680. Its totient is φ = 11885300360.

The previous prime is 26147660827. The next prime is 26147660839. The reversal of 26147660836 is 63806674162.

It is a self number, because there is not a number n which added to its sum of digits gives 26147660836.

It is not an unprimeable number, because it can be changed into a prime (26147660839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297132466 + ... + 297132553.

It is an arithmetic number, because the mean of its divisors is an integer number (4159855140).

Almost surely, 2^26147660836 is an apocalyptic number.

It is an amenable number.

26147660836 is a deficient number, since it is larger than the sum of its proper divisors (23770600844).

26147660836 is a wasteful number, since it uses less digits than its factorization.

26147660836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594265034 (or 594265032 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 26147660836 in words is "twenty-six billion, one hundred forty-seven million, six hundred sixty thousand, eight hundred thirty-six".