6667732421245 has 16 divisors (see below), whose sum is σ = 9144361761408. Its totient is φ = 4572137868480.

The previous prime is 6667732421171. The next prime is 6667732421257. The reversal of 6667732421245 is 5421242377666.

It is not a de Polignac number, because 6667732421245 - 2¹⁷ = 6667732290173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11865735 + ... + 12414955.

It is an arithmetic number, because the mean of its divisors is an integer number (571522610088).

Almost surely, 2^{6667732421245} is an apocalyptic number.

It is an amenable number.

6667732421245 is a deficient number, since it is larger than the sum of its proper divisors (2476629340163).

6667732421245 is a wasteful number, since it uses less digits than its factorization.

6667732421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896100.

The product of its digits is 20321280, while the sum is 55.

The spelling of 6667732421245 in words is "six trillion, six hundred sixty-seven billion, seven hundred thirty-two million, four hundred twenty-one thousand, two hundred forty-five".