670006700667 has 6 divisors (see below), whose sum is σ = 967787456532. Its totient is φ = 446671133772.

The previous prime is 670006700663. The next prime is 670006700689. The reversal of 670006700667 is 766007600076.

It is a happy number.

It is not a de Polignac number, because 670006700667 - 2² = 670006700663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670006700663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37222594473 + ... + 37222594490.

It is an arithmetic number, because the mean of its divisors is an integer number (161297909422).

Almost surely, 2^670006700667 is an apocalyptic number.

670006700667 is a deficient number, since it is larger than the sum of its proper divisors (297780755865).

670006700667 is a wasteful number, since it uses less digits than its factorization.

670006700667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74445188969 (or 74445188966 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 670006700667 in words is "six hundred seventy billion, six million, seven hundred thousand, six hundred sixty-seven".