13466381988 has 24 divisors (see below), whose sum is σ = 31427424000. Its totient is φ = 4487956000.

The previous prime is 13466381977. The next prime is 13466382011. The reversal of 13466381988 is 88918366431.

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, 35988 + ... + 168011.

It is an arithmetic number, because the mean of its divisors is an integer number (1309476000).

Almost surely, 2^13466381988 is an apocalyptic number.

It is an amenable number.

13466381988 is an abundant number, since it is smaller than the sum of its proper divisors (17961042012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13466381988 is a wasteful number, since it uses less digits than its factorization.

13466381988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209507 (or 209505 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 13466381988 in words is "thirteen billion, four hundred sixty-six million, three hundred eighty-one thousand, nine hundred eighty-eight".