203464661063 has 4 divisors (see below), whose sum is σ = 203479246728. Its totient is φ = 203450075400.

The previous prime is 203464661051. The next prime is 203464661119. The reversal of 203464661063 is 360166464302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203464661063 - 2¹⁰ = 203464660039 is a prime.

It is a super-3 number, since 3×203464661063³ (a number of 35 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 203464661063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203464661563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7271888 + ... + 7299813.

It is an arithmetic number, because the mean of its divisors is an integer number (50869811682).

Almost surely, 2^203464661063 is an apocalyptic number.

203464661063 is a deficient number, since it is larger than the sum of its proper divisors (14585665).

203464661063 is a wasteful number, since it uses less digits than its factorization.

203464661063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14585664.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 203464661063 in words is "two hundred three billion, four hundred sixty-four million, six hundred sixty-one thousand, sixty-three".