670443676671 has 16 divisors (see below), whose sum is σ = 906100272000. Its totient is φ = 440910895968.

The previous prime is 670443676667. The next prime is 670443676703. The reversal of 670443676671 is 176676344076.

It is not a de Polignac number, because 670443676671 - 2² = 670443676667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670443676171) 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 15 ways as a sum of consecutive naturals, for example, 4441821 + ... + 4590278.

It is an arithmetic number, because the mean of its divisors is an integer number (56631267000).

Almost surely, 2^670443676671 is an apocalyptic number.

670443676671 is a deficient number, since it is larger than the sum of its proper divisors (235656595329).

670443676671 is a wasteful number, since it uses less digits than its factorization.

670443676671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032438.

The product of its (nonzero) digits is 21337344, while the sum is 57.

The spelling of 670443676671 in words is "six hundred seventy billion, four hundred forty-three million, six hundred seventy-six thousand, six hundred seventy-one".