241642366163521 has 16 divisors (see below), whose sum is σ = 250359167682000. Its totient is φ = 232951430268928.

The previous prime is 241642366163371. The next prime is 241642366163537. The reversal of 241642366163521 is 125361663246142.

It can be written as a sum of positive squares in 8 ways, for example, as 3912563120400 + 237729803043121 = 1978020^2 + 15418489^2 .

It is a cyclic number.

It is not a de Polignac number, because 241642366163521 - 2²⁵ = 241642332609089 is a prime.

It is a super-2 number, since 2×241642366163521² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241642366163621) 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, 53033061 + ... + 57408973.

It is an arithmetic number, because the mean of its divisors is an integer number (15647447980125).

Almost surely, 2^{241642366163521} is an apocalyptic number.

It is an amenable number.

241642366163521 is a deficient number, since it is larger than the sum of its proper divisors (8716801518479).

241642366163521 is a wasteful number, since it uses less digits than its factorization.

241642366163521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378868.

The product of its digits is 7464960, while the sum is 52.

The spelling of 241642366163521 in words is "two hundred forty-one trillion, six hundred forty-two billion, three hundred sixty-six million, one hundred sixty-three thousand, five hundred twenty-one".