13664210561223 has 8 divisors (see below), whose sum is σ = 18227456973936. Its totient is φ = 9105218928000.

The previous prime is 13664210561117. The next prime is 13664210561227. The reversal of 13664210561223 is 32216501246631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13664210561223 - 2⁹ = 13664210560711 is a prime.

It is a super-2 number, since 2×13664210561223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13664210561227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1063687378 + ... + 1063700223.

It is an arithmetic number, because the mean of its divisors is an integer number (2278432121742).

Almost surely, 2^{13664210561223} is an apocalyptic number.

13664210561223 is a deficient number, since it is larger than the sum of its proper divisors (4563246412713).

13664210561223 is a wasteful number, since it uses less digits than its factorization.

13664210561223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127389745.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 13664210561223 in words is "thirteen trillion, six hundred sixty-four billion, two hundred ten million, five hundred sixty-one thousand, two hundred twenty-three".