36628181 has 8 divisors (see below), whose sum is σ = 39377280. Its totient is φ = 33961248.

The previous prime is 36628177. The next prime is 36628231. The reversal of 36628181 is 18182663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36628181 - 2² = 36628177 is a prime.

It is a super-2 number, since 2×36628181² = 2683247286737522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36628171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19616 + ... + 21401.

It is an arithmetic number, because the mean of its divisors is an integer number (4922160).

Almost surely, 2^36628181 is an apocalyptic number.

It is an amenable number.

36628181 is a deficient number, since it is larger than the sum of its proper divisors (2749099).

36628181 is a wasteful number, since it uses less digits than its factorization.

36628181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41083.

The product of its digits is 13824, while the sum is 35.

The square root of 36628181 is about 6052.1220245464. The cubic root of 36628181 is about 332.1022239288.

The spelling of 36628181 in words is "thirty-six million, six hundred twenty-eight thousand, one hundred eighty-one".