12336661655 has 8 divisors (see below), whose sum is σ = 15046682784. Its totient is φ = 9707536800.

The previous prime is 12336661627. The next prime is 12336661669. The reversal of 12336661655 is 55616663321.

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

It is not a de Polignac number, because 12336661655 - 2⁸ = 12336661399 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20223731 + ... + 20224340.

It is an arithmetic number, because the mean of its divisors is an integer number (1880835348).

Almost surely, 2^12336661655 is an apocalyptic number.

12336661655 is a deficient number, since it is larger than the sum of its proper divisors (2710021129).

12336661655 is an equidigital number, since it uses as much as digits as its factorization.

12336661655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40448137.

The product of its digits is 583200, while the sum is 44.

It can be divided in two parts, 1233666 and 1655, that added together give a palindrome (1235321).

The spelling of 12336661655 in words is "twelve billion, three hundred thirty-six million, six hundred sixty-one thousand, six hundred fifty-five".