26560066 has 8 divisors (see below), whose sum is σ = 42904764. Its totient is φ = 12258480.

The previous prime is 26560063. The next prime is 26560091. The reversal of 26560066 is 66006562.

It can be written as a sum of positive squares in 2 ways, for example, as 24295041 + 2265025 = 4929^2 + 1505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26560063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510745 + ... + 510796.

Almost surely, 2^26560066 is an apocalyptic number.

26560066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26560066 is a deficient number, since it is larger than the sum of its proper divisors (16344698).

26560066 is a wasteful number, since it uses less digits than its factorization.

26560066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021556.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 26560066 is about 5153.6458939279. The cubic root of 26560066 is about 298.3616841722.

The spelling of 26560066 in words is "twenty-six million, five hundred sixty thousand, sixty-six".