36810118221 has 16 divisors (see below), whose sum is σ = 49907900928. Its totient is φ = 24126580800.

The previous prime is 36810118181. The next prime is 36810118237. The reversal of 36810118221 is 12281101863.

It is not a de Polignac number, because 36810118221 - 2¹⁸ = 36809856077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36810118271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358311 + ... + 449451.

It is an arithmetic number, because the mean of its divisors is an integer number (3119243808).

Almost surely, 2^36810118221 is an apocalyptic number.

It is an amenable number.

36810118221 is a deficient number, since it is larger than the sum of its proper divisors (13097782707).

36810118221 is a wasteful number, since it uses less digits than its factorization.

36810118221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93412.

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 36810118221 in words is "thirty-six billion, eight hundred ten million, one hundred eighteen thousand, two hundred twenty-one".