650354670 has 160 divisors (see below), whose sum is σ = 2085861888. Its totient is φ = 142160832.

The previous prime is 650354657. The next prime is 650354671. The reversal of 650354670 is 76453056.

It is a super-2 number, since 2×650354670² = 845922393581617800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650354671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 127917 + ... + 132903.

Almost surely, 2^650354670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650354670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042930944).

650354670 is an abundant number, since it is smaller than the sum of its proper divisors (1435507218).

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

650354670 is a wasteful number, since it uses less digits than its factorization.

650354670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 650354670 is about 25502.0522703566. The cubic root of 650354670 is about 866.3966300388.

The spelling of 650354670 in words is "six hundred fifty million, three hundred fifty-four thousand, six hundred seventy".