216364552126 has 16 divisors (see below), whose sum is σ = 336433501296. Its totient is φ = 104274703296.

The previous prime is 216364552069. The next prime is 216364552127. The reversal of 216364552126 is 621255463612.

216364552126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216364552126² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216364552127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13654911 + ... + 13670746.

It is an arithmetic number, because the mean of its divisors is an integer number (21027093831).

Almost surely, 2^216364552126 is an apocalyptic number.

216364552126 is a deficient number, since it is larger than the sum of its proper divisors (120068949170).

216364552126 is a wasteful number, since it uses less digits than its factorization.

216364552126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27325803.

The product of its digits is 518400, while the sum is 43.

The spelling of 216364552126 in words is "two hundred sixteen billion, three hundred sixty-four million, five hundred fifty-two thousand, one hundred twenty-six".