216226155531441 has 96 divisors (see below), whose sum is σ = 334092915251200. Its totient is φ = 123955238563200.

The previous prime is 216226155531433. The next prime is 216226155531473. The reversal of 216226155531441 is 144135551622612.

It is not a de Polignac number, because 216226155531441 - 2³ = 216226155531433 is a prime.

It is a super-2 number, since 2×216226155531441² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216226155536441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23024822856 + ... + 23024832246.

Almost surely, 2^{216226155531441} is an apocalyptic number.

It is an amenable number.

216226155531441 is a deficient number, since it is larger than the sum of its proper divisors (117866759719759).

216226155531441 is a wasteful number, since it uses less digits than its factorization.

216226155531441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291 (or 14280 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 48.

The spelling of 216226155531441 in words is "two hundred sixteen trillion, two hundred twenty-six billion, one hundred fifty-five million, five hundred thirty-one thousand, four hundred forty-one".