650658064 has 45 divisors (see below), whose sum is σ = 1468081911. Its totient is φ = 278547360.

The previous prime is 650658037. The next prime is 650658079. The reversal of 650658064 is 460856056.

The square root of 650658064 is 25508.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 713769 + ... + 714679.

Almost surely, 2^650658064 is an apocalyptic number.

650658064 is the 25508-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650658064

650658064 is an abundant number, since it is smaller than the sum of its proper divisors (817423847).

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

650658064 is an frugal number, since it uses more digits than its factorization.

650658064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The cubic root of 650658064 is about 866.5313353449.

The spelling of 650658064 in words is "six hundred fifty million, six hundred fifty-eight thousand, sixty-four".