650052816 has 120 divisors (see below), whose sum is σ = 1960945920. Its totient is φ = 185020416.

The previous prime is 650052779. The next prime is 650052847. The reversal of 650052816 is 618250056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1126320 + ... + 1126896.

It is an arithmetic number, because the mean of its divisors is an integer number (16341216).

Almost surely, 2^650052816 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 650052816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980472960).

650052816 is an abundant number, since it is smaller than the sum of its proper divisors (1310893104).

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

650052816 is a wasteful number, since it uses less digits than its factorization.

650052816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1068 counting only the distinct ones).

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

The square root of 650052816 is about 25496.1333539029. The cubic root of 650052816 is about 866.2625669027.

The spelling of 650052816 in words is "six hundred fifty million, fifty-two thousand, eight hundred sixteen".