36186018 has 24 divisors (see below), whose sum is σ = 79551024. Its totient is φ = 10965240.

The previous prime is 36186001. The next prime is 36186019. The reversal of 36186018 is 81068163.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 36186018.

It is not an unprimeable number, because it can be changed into a prime (36186019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24196 + ... + 25647.

It is an arithmetic number, because the mean of its divisors is an integer number (3314626).

Almost surely, 2^36186018 is an apocalyptic number.

36186018 is an abundant number, since it is smaller than the sum of its proper divisors (43365006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36186018 is a wasteful number, since it uses less digits than its factorization.

36186018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49870 (or 49859 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 36186018 is about 6015.4815268605. The cubic root of 36186018 is about 330.7604684148.

The spelling of 36186018 in words is "thirty-six million, one hundred eighty-six thousand, eighteen".