1667421242224 has 20 divisors (see below), whose sum is σ = 3230969985936. Its totient is φ = 833622536192.

The previous prime is 1667421242219. The next prime is 1667421242239. The reversal of 1667421242224 is 4222421247661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5349004 + ... + 5652139.

Almost surely, 2^{1667421242224} is an apocalyptic number.

It is an amenable number.

1667421242224 is a deficient number, since it is larger than the sum of its proper divisors (1563548743712).

1667421242224 is a wasteful number, since it uses less digits than its factorization.

1667421242224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010624 (or 11010618 counting only the distinct ones).

The product of its digits is 516096, while the sum is 43.

Adding to 1667421242224 its reverse (4222421247661), we get a palindrome (5889842489885).

The spelling of 1667421242224 in words is "one trillion, six hundred sixty-seven billion, four hundred twenty-one million, two hundred forty-two thousand, two hundred twenty-four".