648546888632 has 16 divisors (see below), whose sum is σ = 1216151222760. Its totient is φ = 324239895904.

The previous prime is 648546888631. The next prime is 648546888641. The reversal of 648546888632 is 236888645846.

It is a super-2 number, since 2×648546888632² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648546888631) 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, 4111298 + ... + 4266129.

Almost surely, 2^648546888632 is an apocalyptic number.

It is an amenable number.

648546888632 is a deficient number, since it is larger than the sum of its proper divisors (567604334128).

648546888632 is a wasteful number, since it uses less digits than its factorization.

648546888632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387110 (or 8387106 counting only the distinct ones).

The product of its digits is 424673280, while the sum is 68.

The spelling of 648546888632 in words is "six hundred forty-eight billion, five hundred forty-six million, eight hundred eighty-eight thousand, six hundred thirty-two".