11870166133 has 4 divisors (see below), whose sum is σ = 13565904160. Its totient is φ = 10174428108.

The previous prime is 11870166109. The next prime is 11870166157. The reversal of 11870166133 is 33166107811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33166107811 = 13147 ⋅2522713.

It is an interprime number because it is at equal distance from previous prime (11870166109) and next prime (11870166157).

It is a cyclic number.

It is not a de Polignac number, because 11870166133 - 2⁵ = 11870166101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11870166092 and 11870166101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11870166103) 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, 847869003 + ... + 847869016.

It is an arithmetic number, because the mean of its divisors is an integer number (3391476040).

Almost surely, 2^11870166133 is an apocalyptic number.

It is an amenable number.

11870166133 is a deficient number, since it is larger than the sum of its proper divisors (1695738027).

11870166133 is an equidigital number, since it uses as much as digits as its factorization.

11870166133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695738026.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 11870166133 in words is "eleven billion, eight hundred seventy million, one hundred sixty-six thousand, one hundred thirty-three".