26463046664 has 16 divisors (see below), whose sum is σ = 49677364800. Its totient is φ = 13215749392.

The previous prime is 26463046637. The next prime is 26463046669. The reversal of 26463046664 is 46664036462.

It is not an unprimeable number, because it can be changed into a prime (26463046669) 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 3 ways as a sum of consecutive naturals, for example, 1964612 + ... + 1978035.

It is an arithmetic number, because the mean of its divisors is an integer number (3104835300).

Almost surely, 2^26463046664 is an apocalyptic number.

It is an amenable number.

26463046664 is a deficient number, since it is larger than the sum of its proper divisors (23214318136).

26463046664 is a wasteful number, since it uses less digits than its factorization.

26463046664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943492 (or 3943488 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 26463046664 in words is "twenty-six billion, four hundred sixty-three million, forty-six thousand, six hundred sixty-four".