648057237667 has 8 divisors (see below), whose sum is σ = 750011993600. Its totient is φ = 548446269384.

The previous prime is 648057237661. The next prime is 648057237679. The reversal of 648057237667 is 766732750846.

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 648057237667 - 2¹¹ = 648057235619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648057237661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585946317 + ... + 585947422.

It is an arithmetic number, because the mean of its divisors is an integer number (93751499200).

Almost surely, 2^648057237667 is an apocalyptic number.

648057237667 is a deficient number, since it is larger than the sum of its proper divisors (101954755933).

648057237667 is a wasteful number, since it uses less digits than its factorization.

648057237667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171893825.

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 648057237667 in words is "six hundred forty-eight billion, fifty-seven million, two hundred thirty-seven thousand, six hundred sixty-seven".