4216526121 has 16 divisors (see below), whose sum is σ = 5756895936. Its totient is φ = 2743680576.

The previous prime is 4216526081. The next prime is 4216526173. The reversal of 4216526121 is 1216256124.

It is not a de Polignac number, because 4216526121 - 2⁶ = 4216526057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4216526621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181651 + ... + 203543.

It is an arithmetic number, because the mean of its divisors is an integer number (359805996).

Almost surely, 2^4216526121 is an apocalyptic number.

It is an amenable number.

4216526121 is a deficient number, since it is larger than the sum of its proper divisors (1540369815).

4216526121 is a wasteful number, since it uses less digits than its factorization.

4216526121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23432.

The product of its digits is 5760, while the sum is 30.

The square root of 4216526121 is about 64934.7835986230. The cubic root of 4216526121 is about 1615.5420445348.

It can be divided in two parts, 42165 and 26121, that added together give a palindrome (68286).

The spelling of 4216526121 in words is "four billion, two hundred sixteen million, five hundred twenty-six thousand, one hundred twenty-one".