223465564741656 has 32 divisors (see below), whose sum is σ = 558732994064640. Its totient is φ = 74479310619168.

The previous prime is 223465564741651. The next prime is 223465564741693. The reversal of 223465564741656 is 656147465564322.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223465564741651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575486956 + ... + 575875131.

It is an arithmetic number, because the mean of its divisors is an integer number (17460406064520).

Almost surely, 2^{223465564741656} is an apocalyptic number.

It is an amenable number.

223465564741656 is an abundant number, since it is smaller than the sum of its proper divisors (335267429322984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223465564741656 is a wasteful number, since it uses less digits than its factorization.

223465564741656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151370183 (or 1151370179 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 66.

The spelling of 223465564741656 in words is "two hundred twenty-three trillion, four hundred sixty-five billion, five hundred sixty-four million, seven hundred forty-one thousand, six hundred fifty-six".