667443131103 has 32 divisors (see below), whose sum is σ = 1018348623360. Its totient is φ = 380911703040.

The previous prime is 667443131071. The next prime is 667443131167. The reversal of 667443131103 is 301131344766.

It is not a de Polignac number, because 667443131103 - 2⁵ = 667443131071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667443131503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102822688 + ... + 102829178.

It is an arithmetic number, because the mean of its divisors is an integer number (31823394480).

Almost surely, 2^667443131103 is an apocalyptic number.

667443131103 is a deficient number, since it is larger than the sum of its proper divisors (350905492257).

667443131103 is a wasteful number, since it uses less digits than its factorization.

667443131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11967.

The product of its (nonzero) digits is 108864, while the sum is 39.

Adding to 667443131103 its reverse (301131344766), we get a palindrome (968574475869).

The spelling of 667443131103 in words is "six hundred sixty-seven billion, four hundred forty-three million, one hundred thirty-one thousand, one hundred three".