667462243747 has 16 divisors (see below), whose sum is σ = 734180796832. Its totient is φ = 603057312000.

The previous prime is 667462243741. The next prime is 667462243831. The reversal of 667462243747 is 747342264766.

It is a happy number.

It is not a de Polignac number, because 667462243747 - 2¹⁵ = 667462210979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667462243691 and 667462243700.

It is not an unprimeable number, because it can be changed into a prime (667462243741) 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 15 ways as a sum of consecutive naturals, for example, 2303754 + ... + 2577247.

It is an arithmetic number, because the mean of its divisors is an integer number (45886299802).

Almost surely, 2^667462243747 is an apocalyptic number.

667462243747 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

667462243747 is a deficient number, since it is larger than the sum of its proper divisors (66718553085).

667462243747 is a wasteful number, since it uses less digits than its factorization.

667462243747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4881238.

The product of its digits is 56899584, while the sum is 58.

The spelling of 667462243747 in words is "six hundred sixty-seven billion, four hundred sixty-two million, two hundred forty-three thousand, seven hundred forty-seven".