670628159 has 4 divisors (see below), whose sum is σ = 677139216. Its totient is φ = 664117104.

The previous prime is 670628141. The next prime is 670628173. The reversal of 670628159 is 951826076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670628159 - 2¹⁶ = 670562623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670628659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255374 + ... + 3255579.

It is an arithmetic number, because the mean of its divisors is an integer number (169284804).

Almost surely, 2^670628159 is an apocalyptic number.

670628159 is a deficient number, since it is larger than the sum of its proper divisors (6511057).

670628159 is a wasteful number, since it uses less digits than its factorization.

670628159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511056.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 670628159 is about 25896.4893180524. The cubic root of 670628159 is about 875.3073897964.

The spelling of 670628159 in words is "six hundred seventy million, six hundred twenty-eight thousand, one hundred fifty-nine".