13166805242 has 8 divisors (see below), whose sum is σ = 19771701600. Its totient is φ = 6576238044.

The previous prime is 13166805229. The next prime is 13166805251. The reversal of 13166805242 is 24250866131.

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 = 13166805196 and 13166805205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579992 + ... + 3583667.

It is an arithmetic number, because the mean of its divisors is an integer number (2471462700).

Almost surely, 2^13166805242 is an apocalyptic number.

13166805242 is a deficient number, since it is larger than the sum of its proper divisors (6604896358).

13166805242 is an equidigital number, since it uses as much as digits as its factorization.

13166805242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164580.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 13166805242 in words is "thirteen billion, one hundred sixty-six million, eight hundred five thousand, two hundred forty-two".