223104644360661 has 16 divisors (see below), whose sum is σ = 339969191642624. Its totient is φ = 127488289546224.

The previous prime is 223104644360641. The next prime is 223104644360671. The reversal of 223104644360661 is 166063446401322.

223104644360661 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 223104644360661 - 2²² = 223104640166357 is a prime.

It is a super-3 number, since 3×223104644360661³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223104644360661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223104644360641) 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, 59804946 + ... + 63425868.

It is an arithmetic number, because the mean of its divisors is an integer number (21248074477664).

Almost surely, 2^{223104644360661} is an apocalyptic number.

223104644360661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

223104644360661 is a deficient number, since it is larger than the sum of its proper divisors (116864547281963).

223104644360661 is a wasteful number, since it uses less digits than its factorization.

223104644360661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555000.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 223104644360661 in words is "two hundred twenty-three trillion, one hundred four billion, six hundred forty-four million, three hundred sixty thousand, six hundred sixty-one".