13105646636 has 24 divisors (see below), whose sum is σ = 23507312640. Its totient is φ = 6391021392.

The previous prime is 13105646627. The next prime is 13105646651. The reversal of 13105646636 is 63664650131.

It is a junction number, because it is equal to n+sod(n) for n = 13105646593 and 13105646602.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 188660 + ... + 248603.

It is an arithmetic number, because the mean of its divisors is an integer number (979471360).

Almost surely, 2^13105646636 is an apocalyptic number.

It is an amenable number.

13105646636 is a deficient number, since it is larger than the sum of its proper divisors (10401666004).

13105646636 is a wasteful number, since it uses less digits than its factorization.

13105646636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437453 (or 437451 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 13105646636 in words is "thirteen billion, one hundred five million, six hundred forty-six thousand, six hundred thirty-six".