26346066705 has 48 divisors (see below), whose sum is σ = 52452691200. Its totient is φ = 11983365504.

The previous prime is 26346066701. The next prime is 26346066737. The reversal of 26346066705 is 50766064362.

26346066705 is a `hidden beast` number, since 2 + 6 + 34 + 606 + 6 + 7 + 0 + 5 = 666.

It is not a de Polignac number, because 26346066705 - 2² = 26346066701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (26346066701) 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 47 ways as a sum of consecutive naturals, for example, 147462 + ... + 272831.

It is an arithmetic number, because the mean of its divisors is an integer number (1092764400).

Almost surely, 2^26346066705 is an apocalyptic number.

It is an amenable number.

26346066705 is a deficient number, since it is larger than the sum of its proper divisors (26106624495).

26346066705 is a wasteful number, since it uses less digits than its factorization.

26346066705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420510 (or 420507 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 26346066705 in words is "twenty-six billion, three hundred forty-six million, sixty-six thousand, seven hundred five".