203411160644 has 24 divisors (see below), whose sum is σ = 364838435808. Its totient is φ = 99179277120.

The previous prime is 203411160643. The next prime is 203411160649. The reversal of 203411160644 is 446061114302.

It is a super-2 number, since 2×203411160644² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203411160644.

It is not an unprimeable number, because it can be changed into a prime (203411160643) 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, 852242 + ... + 1064489.

It is an arithmetic number, because the mean of its divisors is an integer number (15201601492).

Almost surely, 2^203411160644 is an apocalyptic number.

It is an amenable number.

203411160644 is a deficient number, since it is larger than the sum of its proper divisors (161427275164).

203411160644 is a wasteful number, since it uses less digits than its factorization.

203411160644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917395 (or 1917393 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 203411160644 its reverse (446061114302), we get a palindrome (649472274946).

The spelling of 203411160644 in words is "two hundred three billion, four hundred eleven million, one hundred sixty thousand, six hundred forty-four".