648673159 has 8 divisors (see below), whose sum is σ = 666661968. Its totient is φ = 630708480.

The previous prime is 648673141. The next prime is 648673211. The reversal of 648673159 is 951376846.

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 648673159 - 2⁷ = 648673031 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 (648673759) 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, 57624 + ... + 67954.

It is an arithmetic number, because the mean of its divisors is an integer number (83332746).

Almost surely, 2^648673159 is an apocalyptic number.

648673159 is a deficient number, since it is larger than the sum of its proper divisors (17988809).

648673159 is a wasteful number, since it uses less digits than its factorization.

648673159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12065.

The product of its digits is 1088640, while the sum is 49.

The square root of 648673159 is about 25469.0627821284. The cubic root of 648673159 is about 865.6492876432.

The spelling of 648673159 in words is "six hundred forty-eight million, six hundred seventy-three thousand, one hundred fifty-nine".