4361162121 has 16 divisors (see below), whose sum is σ = 6566901120. Its totient is φ = 2859777360.

The previous prime is 4361162063. The next prime is 4361162137. The reversal of 4361162121 is 1212611634.

It is a happy number.

4361162121 is a `hidden beast` number, since 4 + 3 + 6 + 11 + 621 + 21 = 666.

It is not a de Polignac number, because 4361162121 - 2¹⁰ = 4361161097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4361162021) 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, 1322325 + ... + 1325618.

It is an arithmetic number, because the mean of its divisors is an integer number (410431320).

Almost surely, 2^4361162121 is an apocalyptic number.

It is an amenable number.

4361162121 is a deficient number, since it is larger than the sum of its proper divisors (2205738999).

4361162121 is a wasteful number, since it uses less digits than its factorization.

4361162121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648013 (or 2648007 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 4361162121 is about 66039.0953981049. The cubic root of 4361162121 is about 1633.8069673996.

Adding to 4361162121 its reverse (1212611634), we get a palindrome (5573773755).

The spelling of 4361162121 in words is "four billion, three hundred sixty-one million, one hundred sixty-two thousand, one hundred twenty-one".