1166870195 has 4 divisors (see below), whose sum is σ = 1400244240. Its totient is φ = 933496152.

The previous prime is 1166870171. The next prime is 1166870227. The reversal of 1166870195 is 5910786611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5910786611 = 10343 ⋅571477.

It is a cyclic number.

It is not a de Polignac number, because 1166870195 - 2¹⁶ = 1166804659 is a prime.

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, 116687015 + ... + 116687024.

It is an arithmetic number, because the mean of its divisors is an integer number (350061060).

Almost surely, 2^1166870195 is an apocalyptic number.

1166870195 is a deficient number, since it is larger than the sum of its proper divisors (233374045).

1166870195 is an equidigital number, since it uses as much as digits as its factorization.

1166870195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233374044.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1166870195 is about 34159.4817730012. The cubic root of 1166870195 is about 1052.7878131043.

The spelling of 1166870195 in words is "one billion, one hundred sixty-six million, eight hundred seventy thousand, one hundred ninety-five".