667068207 has 32 divisors (see below), whose sum is σ = 1015768320. Its totient is φ = 386000640.

The previous prime is 667068197. The next prime is 667068211. The reversal of 667068207 is 702860766.

It is not a de Polignac number, because 667068207 - 2¹⁶ = 667002671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667068007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98232 + ... + 104802.

It is an arithmetic number, because the mean of its divisors is an integer number (31742760).

Almost surely, 2^667068207 is an apocalyptic number.

667068207 is a deficient number, since it is larger than the sum of its proper divisors (348700113).

667068207 is a wasteful number, since it uses less digits than its factorization.

667068207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 667068207 is about 25827.6635993270. The cubic root of 667068207 is about 873.7558184307.

The spelling of 667068207 in words is "six hundred sixty-seven million, sixty-eight thousand, two hundred seven".