667441100667 has 16 divisors (see below), whose sum is σ = 970845625728. Its totient is φ = 404500505280.

The previous prime is 667441100657. The next prime is 667441100681. The reversal of 667441100667 is 766001144766.

It is not a de Polignac number, because 667441100667 - 2³¹ = 665293617019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667441100617) 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, 1406263 + ... + 1820015.

It is an arithmetic number, because the mean of its divisors is an integer number (60677851608).

Almost surely, 2^667441100667 is an apocalyptic number.

667441100667 is a deficient number, since it is larger than the sum of its proper divisors (303404525061).

667441100667 is a wasteful number, since it uses less digits than its factorization.

667441100667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462650.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 667441100667 in words is "six hundred sixty-seven billion, four hundred forty-one million, one hundred thousand, six hundred sixty-seven".