12614420661 has 8 divisors (see below), whose sum is σ = 17136571680. Its totient is φ = 8250941712.

The previous prime is 12614420653. The next prime is 12614420683. The reversal of 12614420661 is 16602441621.

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

It is not a de Polignac number, because 12614420661 - 2³ = 12614420653 is a prime.

It is a super-2 number, since 2×12614420661² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12614410661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39667831 + ... + 39668148.

It is an arithmetic number, because the mean of its divisors is an integer number (2142071460).

Almost surely, 2^12614420661 is an apocalyptic number.

It is an amenable number.

12614420661 is a deficient number, since it is larger than the sum of its proper divisors (4522151019).

12614420661 is an equidigital number, since it uses as much as digits as its factorization.

12614420661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79336035.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 12614420661 in words is "twelve billion, six hundred fourteen million, four hundred twenty thousand, six hundred sixty-one".