667670407375 has 16 divisors (see below), whose sum is σ = 833539561920. Its totient is φ = 533952420000.

The previous prime is 667670407373. The next prime is 667670407451. The reversal of 667670407375 is 573704076766.

It is not a de Polignac number, because 667670407375 - 2¹ = 667670407373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667670407373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554451 + ... + 1281700.

It is an arithmetic number, because the mean of its divisors is an integer number (52096222620).

Almost surely, 2^667670407375 is an apocalyptic number.

667670407375 is a deficient number, since it is larger than the sum of its proper divisors (165869154545).

667670407375 is a wasteful number, since it uses less digits than its factorization.

667670407375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839075 (or 1839065 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 58.

The spelling of 667670407375 in words is "six hundred sixty-seven billion, six hundred seventy million, four hundred seven thousand, three hundred seventy-five".