651441366 has 20 divisors (see below), whose sum is σ = 1459711572. Its totient is φ = 217147068.

The previous prime is 651441337. The next prime is 651441367. The reversal of 651441366 is 663144156.

It is a happy number.

651441366 is a `hidden beast` number, since 6 + 514 + 4 + 136 + 6 = 666.

651441366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 651441366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651441367) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2010460 + ... + 2010783.

Almost surely, 2^651441366 is an apocalyptic number.

651441366 is an abundant number, since it is smaller than the sum of its proper divisors (808270206).

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

651441366 is a wasteful number, since it uses less digits than its factorization.

651441366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021257 (or 4021248 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 651441366 is about 25523.3494275340. The cubic root of 651441366 is about 866.8789237182.

The spelling of 651441366 in words is "six hundred fifty-one million, four hundred forty-one thousand, three hundred sixty-six".