650144016 has 80 divisors (see below), whose sum is σ = 1883411200. Its totient is φ = 214710912.

The previous prime is 650144003. The next prime is 650144017. The reversal of 650144016 is 610441056.

650144016 is a `hidden beast` number, since 650 + 1 + 4 + 4 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (650144017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40185 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (23542640).

Almost surely, 2^650144016 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 650144016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941705600).

650144016 is an abundant number, since it is smaller than the sum of its proper divisors (1233267184).

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

650144016 is a wasteful number, since it uses less digits than its factorization.

650144016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13933 (or 13921 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 650144016 is about 25497.9217976681. The cubic root of 650144016 is about 866.3030761505.

The spelling of 650144016 in words is "six hundred fifty million, one hundred forty-four thousand, sixteen".