3536221161 has 16 divisors (see below), whose sum is σ = 5144590080. Its totient is φ = 2142749520.

The previous prime is 3536221127. The next prime is 3536221189. The reversal of 3536221161 is 1611226353.

It is not a de Polignac number, because 3536221161 - 2⁶ = 3536221097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3536221361) 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, 315886 + ... + 326888.

It is an arithmetic number, because the mean of its divisors is an integer number (321536880).

Almost surely, 2^3536221161 is an apocalyptic number.

It is an amenable number.

3536221161 is a deficient number, since it is larger than the sum of its proper divisors (1608368919).

3536221161 is a wasteful number, since it uses less digits than its factorization.

3536221161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756.

The product of its digits is 6480, while the sum is 30.

The square root of 3536221161 is about 59466.1345725447. The cubic root of 3536221161 is about 1523.5140822937.

The spelling of 3536221161 in words is "three billion, five hundred thirty-six million, two hundred twenty-one thousand, one hundred sixty-one".