667340703407 has 8 divisors (see below), whose sum is σ = 767725919232. Its totient is φ = 568218195000.

The previous prime is 667340703401. The next prime is 667340703457. The reversal of 667340703407 is 704307043766.

667340703407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 667340703407 - 2²⁶ = 667273594543 is a prime.

It is a super-2 number, since 2×667340703407² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667340703401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315675719 + ... + 315677832.

It is an arithmetic number, because the mean of its divisors is an integer number (95965739904).

Almost surely, 2^667340703407 is an apocalyptic number.

667340703407 is a deficient number, since it is larger than the sum of its proper divisors (100385215825).

667340703407 is a wasteful number, since it uses less digits than its factorization.

667340703407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631353709.

The product of its (nonzero) digits is 1778112, while the sum is 47.

The spelling of 667340703407 in words is "six hundred sixty-seven billion, three hundred forty million, seven hundred three thousand, four hundred seven".