667256325107 has 8 divisors (see below), whose sum is σ = 702387490560. Its totient is φ = 632126400840.

The previous prime is 667256325013. The next prime is 667256325161. The reversal of 667256325107 is 701523652766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667256325107 - 2¹⁰ = 667256324083 is a prime.

It is a super-2 number, since 2×667256325107² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667256325707) 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 7 ways as a sum of consecutive naturals, for example, 917882 + ... + 1475472.

It is an arithmetic number, because the mean of its divisors is an integer number (87798436320).

Almost surely, 2^667256325107 is an apocalyptic number.

667256325107 is a deficient number, since it is larger than the sum of its proper divisors (35131165453).

667256325107 is a wasteful number, since it uses less digits than its factorization.

667256325107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620593.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 667256325107 in words is "six hundred sixty-seven billion, two hundred fifty-six million, three hundred twenty-five thousand, one hundred seven".