667245653583 has 16 divisors (see below), whose sum is σ = 910496564736. Its totient is φ = 434415905280.

The previous prime is 667245653579. The next prime is 667245653743. The reversal of 667245653583 is 385356542766.

It is not a de Polignac number, because 667245653583 - 2² = 667245653579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667245653183) 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, 399663 + ... + 1222383.

It is an arithmetic number, because the mean of its divisors is an integer number (56906035296).

Almost surely, 2^667245653583 is an apocalyptic number.

667245653583 is a deficient number, since it is larger than the sum of its proper divisors (243250911153).

667245653583 is a wasteful number, since it uses less digits than its factorization.

667245653583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829054.

The product of its digits is 108864000, while the sum is 60.

The spelling of 667245653583 in words is "six hundred sixty-seven billion, two hundred forty-five million, six hundred fifty-three thousand, five hundred eighty-three".