216044416556241 has 128 divisors (see below), whose sum is σ = 363469990625280. Its totient is φ = 111125866954752.

The previous prime is 216044416556183. The next prime is 216044416556257. The reversal of 216044416556241 is 142655614440612.

216044416556241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216044416556241 - 2⁷ = 216044416556113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216044416552241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1018697485 + ... + 1018909541.

It is an arithmetic number, because the mean of its divisors is an integer number (2839609301760).

Almost surely, 2^{216044416556241} is an apocalyptic number.

216044416556241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

216044416556241 is a deficient number, since it is larger than the sum of its proper divisors (147425574069039).

216044416556241 is a wasteful number, since it uses less digits than its factorization.

216044416556241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212743.

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 216044416556241 in words is "two hundred sixteen trillion, forty-four billion, four hundred sixteen million, five hundred fifty-six thousand, two hundred forty-one".