26565012466 has 32 divisors (see below), whose sum is σ = 43073630208. Its totient is φ = 12251535120.

The previous prime is 26565012449. The next prime is 26565012473. The reversal of 26565012466 is 66421056562.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370645 + ... + 436471.

It is an arithmetic number, because the mean of its divisors is an integer number (1346050944).

Almost surely, 2^26565012466 is an apocalyptic number.

26565012466 is a deficient number, since it is larger than the sum of its proper divisors (16508617742).

26565012466 is a wasteful number, since it uses less digits than its factorization.

26565012466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66166.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 26565012466 in words is "twenty-six billion, five hundred sixty-five million, twelve thousand, four hundred sixty-six".