648546192 has 120 divisors (see below), whose sum is σ = 2196395136. Its totient is φ = 174394368.

The previous prime is 648546187. The next prime is 648546233. The reversal of 648546192 is 291645846.

It is a super-2 number, since 2×648546192² = 841224326315401728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1788 + ... + 36059.

Almost surely, 2^648546192 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 648546192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098197568).

648546192 is an abundant number, since it is smaller than the sum of its proper divisors (1547848944).

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

648546192 is a wasteful number, since it uses less digits than its factorization.

648546192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37885 (or 37876 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 648546192 is about 25466.5700870769. The cubic root of 648546192 is about 865.5928051331.

The spelling of 648546192 in words is "six hundred forty-eight million, five hundred forty-six thousand, one hundred ninety-two".