670616491606 has 16 divisors (see below), whose sum is σ = 1067377527216. Its totient is φ = 314908454656.

The previous prime is 670616491507. The next prime is 670616491619. The reversal of 670616491606 is 606194616076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21101911 + ... + 21133666.

It is an arithmetic number, because the mean of its divisors is an integer number (66711095451).

Almost surely, 2^670616491606 is an apocalyptic number.

670616491606 is a deficient number, since it is larger than the sum of its proper divisors (396761035610).

670616491606 is a wasteful number, since it uses less digits than its factorization.

670616491606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42236063.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 670616491606 in words is "six hundred seventy billion, six hundred sixteen million, four hundred ninety-one thousand, six hundred six".