203441143666 has 48 divisors (see below), whose sum is σ = 344749456800. Its totient is φ = 89762715648.

The previous prime is 203441143651. The next prime is 203441143667. The reversal of 203441143666 is 666341144302.

It is a super-2 number, since 2×203441143666² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203441143667) 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 23 ways as a sum of consecutive naturals, for example, 969765 + ... + 1160743.

It is an arithmetic number, because the mean of its divisors is an integer number (7182280350).

Almost surely, 2^203441143666 is an apocalyptic number.

203441143666 is a deficient number, since it is larger than the sum of its proper divisors (141308313134).

203441143666 is a wasteful number, since it uses less digits than its factorization.

203441143666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191131 (or 191114 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 203441143666 its reverse (666341144302), we get a palindrome (869782287968).

The spelling of 203441143666 in words is "two hundred three billion, four hundred forty-one million, one hundred forty-three thousand, six hundred sixty-six".