650216406 has 32 divisors (see below), whose sum is σ = 1487082240. Its totient is φ = 185666976.

The previous prime is 650216393. The next prime is 650216447. The reversal of 650216406 is 604612056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91800 + ... + 98628.

It is an arithmetic number, because the mean of its divisors is an integer number (46471320).

Almost surely, 2^650216406 is an apocalyptic number.

650216406 is an abundant number, since it is smaller than the sum of its proper divisors (836865834).

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

650216406 is a wasteful number, since it uses less digits than its factorization.

650216406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9108.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 650216406 is about 25499.3412856097. The cubic root of 650216406 is about 866.3352276691.

The spelling of 650216406 in words is "six hundred fifty million, two hundred sixteen thousand, four hundred six".