648158240401 has 8 divisors (see below), whose sum is σ = 740904200640. Its totient is φ = 555450261648.

The previous prime is 648158240383. The next prime is 648158240417. The reversal of 648158240401 is 104042851846.

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 648158240401 - 2¹¹ = 648158238353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648158240201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9458791 + ... + 9527068.

It is an arithmetic number, because the mean of its divisors is an integer number (92613025080).

Almost surely, 2^648158240401 is an apocalyptic number.

It is an amenable number.

648158240401 is a deficient number, since it is larger than the sum of its proper divisors (92745960239).

648158240401 is a wasteful number, since it uses less digits than its factorization.

648158240401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18990743.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 648158240401 in words is "six hundred forty-eight billion, one hundred fifty-eight million, two hundred forty thousand, four hundred one".