223661946863049 has 16 divisors (see below), whose sum is σ = 299405764588800. Its totient is φ = 148513830163200.

The previous prime is 223661946863021. The next prime is 223661946863051. The reversal of 223661946863049 is 940368649166322.

It is not a de Polignac number, because 223661946863049 - 2²⁴ = 223661930085833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223661946863749) 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, 96770449 + ... + 99054750.

It is an arithmetic number, because the mean of its divisors is an integer number (18712860286800).

Almost surely, 2^{223661946863049} is an apocalyptic number.

It is an amenable number.

223661946863049 is a deficient number, since it is larger than the sum of its proper divisors (75743817725751).

223661946863049 is a wasteful number, since it uses less digits than its factorization.

223661946863049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195826720.

The product of its (nonzero) digits is 483729408, while the sum is 69.

The spelling of 223661946863049 in words is "two hundred twenty-three trillion, six hundred sixty-one billion, nine hundred forty-six million, eight hundred sixty-three thousand, forty-nine".