223533553461656 has 16 divisors (see below), whose sum is σ = 443779848784440. Its totient is φ = 105192260452480.

The previous prime is 223533553461649. The next prime is 223533553461677. The reversal of 223533553461656 is 656164355335322.

It is a super-2 number, since 2×223533553461656² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223533553461595 and 223533553461604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821814534650 + ... + 821814534921.

Almost surely, 2^{223533553461656} is an apocalyptic number.

It is an amenable number.

223533553461656 is a deficient number, since it is larger than the sum of its proper divisors (220246295322784).

223533553461656 is a wasteful number, since it uses less digits than its factorization.

223533553461656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643629069594 (or 1643629069590 counting only the distinct ones).

The product of its digits is 174960000, while the sum is 59.

The spelling of 223533553461656 in words is "two hundred twenty-three trillion, five hundred thirty-three billion, five hundred fifty-three million, four hundred sixty-one thousand, six hundred fifty-six".