36550366156221 has 16 divisors (see below), whose sum is σ = 48872429538240. Its totient is φ = 24297608332800.

The previous prime is 36550366156207. The next prime is 36550366156231. The reversal of 36550366156221 is 12265166305563.

It is not a de Polignac number, because 36550366156221 - 2⁷ = 36550366156093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36550366156231) 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, 143970246 + ... + 144223896.

It is an arithmetic number, because the mean of its divisors is an integer number (3054526846140).

Almost surely, 2^{36550366156221} is an apocalyptic number.

It is an amenable number.

36550366156221 is a deficient number, since it is larger than the sum of its proper divisors (12322063382019).

36550366156221 is a wasteful number, since it uses less digits than its factorization.

36550366156221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390076.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 36550366156221 in words is "thirty-six trillion, five hundred fifty billion, three hundred sixty-six million, one hundred fifty-six thousand, two hundred twenty-one".