650681148 has 48 divisors (see below), whose sum is σ = 1636822656. Its totient is φ = 199992000.

The previous prime is 650681147. The next prime is 650681177. The reversal of 650681148 is 841186056.

650681148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650681147) 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, 198523 + ... + 201773.

It is an arithmetic number, because the mean of its divisors is an integer number (34100472).

Almost surely, 2^650681148 is an apocalyptic number.

It is an amenable number.

650681148 is an abundant number, since it is smaller than the sum of its proper divisors (986141508).

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

650681148 is a wasteful number, since it uses less digits than its factorization.

650681148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 650681148 is about 25508.4524814815. The cubic root of 650681148 is about 866.5415828025.

The spelling of 650681148 in words is "six hundred fifty million, six hundred eighty-one thousand, one hundred forty-eight".