13661210626 has 8 divisors (see below), whose sum is σ = 23419218240. Its totient is φ = 5854804548.

The previous prime is 13661210621. The next prime is 13661210627. The reversal of 13661210626 is 62601216631.

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

It is a junction number, because it is equal to n+sod(n) for n = 13661210591 and 13661210600.

It is not an unprimeable number, because it can be changed into a prime (13661210621) 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, 487900366 + ... + 487900393.

It is an arithmetic number, because the mean of its divisors is an integer number (2927402280).

Almost surely, 2^13661210626 is an apocalyptic number.

13661210626 is a deficient number, since it is larger than the sum of its proper divisors (9758007614).

13661210626 is an equidigital number, since it uses as much as digits as its factorization.

13661210626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975800768.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 13661210626 in words is "thirteen billion, six hundred sixty-one million, two hundred ten thousand, six hundred twenty-six".