650820516 has 12 divisors (see below), whose sum is σ = 1518581232. Its totient is φ = 216940168.

The previous prime is 650820487. The next prime is 650820539. The reversal of 650820516 is 615028056.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27117510 + ... + 27117533.

It is an arithmetic number, because the mean of its divisors is an integer number (126548436).

Almost surely, 2^650820516 is an apocalyptic number.

It is an amenable number.

650820516 is an abundant number, since it is smaller than the sum of its proper divisors (867760716).

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

650820516 is a wasteful number, since it uses less digits than its factorization.

650820516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54235050 (or 54235048 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 650820516 is about 25511.1841355904. The cubic root of 650820516 is about 866.6034459472.

The spelling of 650820516 in words is "six hundred fifty million, eight hundred twenty thousand, five hundred sixteen".