241644017231561 has 16 divisors (see below), whose sum is σ = 276352518758400. Its totient is φ = 206982540889488.

The previous prime is 241644017231543. The next prime is 241644017231567. The reversal of 241644017231561 is 165132710446142.

It is not a de Polignac number, because 241644017231561 - 2²² = 241644013037257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (241644017231567) 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, 65327570 + ... + 68927348.

It is an arithmetic number, because the mean of its divisors is an integer number (17272032422400).

Almost surely, 2^{241644017231561} is an apocalyptic number.

It is an amenable number.

241644017231561 is a deficient number, since it is larger than the sum of its proper divisors (34708501526839).

241644017231561 is a wasteful number, since it uses less digits than its factorization.

241644017231561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606308.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 241644017231561 in words is "two hundred forty-one trillion, six hundred forty-four billion, seventeen million, two hundred thirty-one thousand, five hundred sixty-one".