667112607 has 36 divisors (see below), whose sum is σ = 1159605720. Its totient is φ = 368055072.

The previous prime is 667112573. The next prime is 667112647. The reversal of 667112607 is 706211766.

It is not a de Polignac number, because 667112607 - 2¹¹ = 667110559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667112647) 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 35 ways as a sum of consecutive naturals, for example, 13293 + ... + 38870.

It is an arithmetic number, because the mean of its divisors is an integer number (32211270).

Almost surely, 2^667112607 is an apocalyptic number.

667112607 is a deficient number, since it is larger than the sum of its proper divisors (492493113).

667112607 is a wasteful number, since it uses less digits than its factorization.

667112607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52212 (or 52202 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 667112607 is about 25828.5231285105. The cubic root of 667112607 is about 873.7752037036.

The spelling of 667112607 in words is "six hundred sixty-seven million, one hundred twelve thousand, six hundred seven".