667214613 has 24 divisors (see below), whose sum is σ = 1083019392. Its totient is φ = 392740128.

The previous prime is 667214591. The next prime is 667214641. The reversal of 667214613 is 316412766.

It is a happy number.

667214613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 667214613 - 2⁸ = 667214357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667014613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121281 + ... + 126662.

It is an arithmetic number, because the mean of its divisors is an integer number (45125808).

Almost surely, 2^667214613 is an apocalyptic number.

It is an amenable number.

667214613 is a deficient number, since it is larger than the sum of its proper divisors (415804779).

667214613 is a wasteful number, since it uses less digits than its factorization.

667214613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247985 (or 247982 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 667214613 is about 25830.4977303961. The cubic root of 667214613 is about 873.8197368004.

The spelling of 667214613 in words is "six hundred sixty-seven million, two hundred fourteen thousand, six hundred thirteen".