22635746666 has 16 divisors (see below), whose sum is σ = 36610009128. Its totient is φ = 10434532800.

The previous prime is 22635746641. The next prime is 22635746713. The reversal of 22635746666 is 66664753622.

It can be written as a sum of positive squares in 4 ways, for example, as 13672391041 + 8963355625 = 116929^2 + 94675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508865 + ... + 551556.

Almost surely, 2^22635746666 is an apocalyptic number.

22635746666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22635746666 is a deficient number, since it is larger than the sum of its proper divisors (13974262462).

22635746666 is a wasteful number, since it uses less digits than its factorization.

22635746666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061257.

The product of its digits is 13063680, while the sum is 53.

The spelling of 22635746666 in words is "twenty-two billion, six hundred thirty-five million, seven hundred forty-six thousand, six hundred sixty-six".