13166301955 has 4 divisors (see below), whose sum is σ = 15799562352. Its totient is φ = 10533041560.

The previous prime is 13166301947. The next prime is 13166301971. The reversal of 13166301955 is 55910366131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55910366131 = 19 ⋅2942650849.

It is not a de Polignac number, because 13166301955 - 2³ = 13166301947 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 1316630191 + ... + 1316630200.

It is an arithmetic number, because the mean of its divisors is an integer number (3949890588).

Almost surely, 2^13166301955 is an apocalyptic number.

13166301955 is a deficient number, since it is larger than the sum of its proper divisors (2633260397).

13166301955 is an equidigital number, since it uses as much as digits as its factorization.

13166301955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633260396.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 13166301955 in words is "thirteen billion, one hundred sixty-six million, three hundred one thousand, nine hundred fifty-five".