670616491607 has 8 divisors (see below), whose sum is σ = 672360861984. Its totient is φ = 668873023488.

The previous prime is 670616491507. The next prime is 670616491619. The reversal of 670616491607 is 706194616076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670616491607 - 2¹⁴ = 670616475223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670616491667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275863 + ... + 1723095.

It is an arithmetic number, because the mean of its divisors is an integer number (84045107748).

Almost surely, 2^670616491607 is an apocalyptic number.

670616491607 is a deficient number, since it is larger than the sum of its proper divisors (1744370377).

670616491607 is a wasteful number, since it uses less digits than its factorization.

670616491607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451129.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 670616491607 in words is "six hundred seventy billion, six hundred sixteen million, four hundred ninety-one thousand, six hundred seven".