667040003667 has 8 divisors (see below), whose sum is σ = 988207412880. Its totient is φ = 444693335760.

The previous prime is 667040003653. The next prime is 667040003689. The reversal of 667040003667 is 766300040766.

It is not a de Polignac number, because 667040003667 - 2¹¹ = 667040001619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667040003627) 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, 12352592634 + ... + 12352592687.

It is an arithmetic number, because the mean of its divisors is an integer number (123525926610).

Almost surely, 2^667040003667 is an apocalyptic number.

667040003667 is a deficient number, since it is larger than the sum of its proper divisors (321167409213).

667040003667 is a wasteful number, since it uses less digits than its factorization.

667040003667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24705185330 (or 24705185324 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 667040003667 in words is "six hundred sixty-seven billion, forty million, three thousand, six hundred sixty-seven".