648141512832 has 448 divisors, whose sum is σ = 2117359949760. Its totient is φ = 195902945280.

The previous prime is 648141512741. The next prime is 648141512867. The reversal of 648141512832 is 238215141846.

648141512832 is a `hidden beast` number, since 6 + 4 + 81 + 415 + 128 + 32 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 670259613 + ... + 670260579.

Almost surely, 2^648141512832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648141512832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058679974880).

648141512832 is an abundant number, since it is smaller than the sum of its proper divisors (1469218436928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

648141512832 is an equidigital number, since it uses as much as digits as its factorization.

648141512832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1636 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The spelling of 648141512832 in words is "six hundred forty-eight billion, one hundred forty-one million, five hundred twelve thousand, eight hundred thirty-two".