3821535161 has 8 divisors (see below), whose sum is σ = 3896946504. Its totient is φ = 3746246400.

The previous prime is 3821535143. The next prime is 3821535187. The reversal of 3821535161 is 1615351283.

It can be written as a sum of positive squares in 4 ways, for example, as 345253561 + 3476281600 = 18581^2 + 58960^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3821535161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3821535131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33635 + ... + 93671.

It is an arithmetic number, because the mean of its divisors is an integer number (487118313).

Almost surely, 2^3821535161 is an apocalyptic number.

It is an amenable number.

3821535161 is a deficient number, since it is larger than the sum of its proper divisors (75411343).

3821535161 is a wasteful number, since it uses less digits than its factorization.

3821535161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61291.

The product of its digits is 21600, while the sum is 35.

The square root of 3821535161 is about 61818.5664748059. The cubic root of 3821535161 is about 1563.4330433729.

The spelling of 3821535161 in words is "three billion, eight hundred twenty-one million, five hundred thirty-five thousand, one hundred sixty-one".