36168194 has 4 divisors (see below), whose sum is σ = 54252294. Its totient is φ = 18084096.

The previous prime is 36168193. The next prime is 36168199. The reversal of 36168194 is 49186163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49186163 = 13 ⋅3783551.

It can be written as a sum of positive squares in only one way, i.e., 30946969 + 5221225 = 5563^2 + 2285^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36168193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9042047 + ... + 9042050.

Almost surely, 2^36168194 is an apocalyptic number.

36168194 is a deficient number, since it is larger than the sum of its proper divisors (18084100).

36168194 is a wasteful number, since it uses less digits than its factorization.

36168194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18084099.

The product of its digits is 31104, while the sum is 38.

The square root of 36168194 is about 6013.9998337213. Note that the first 3 decimals coincide. The cubic root of 36168194 is about 330.7061523820.

The spelling of 36168194 in words is "thirty-six million, one hundred sixty-eight thousand, one hundred ninety-four".