651533066716 has 24 divisors (see below), whose sum is σ = 1303156426880. Its totient is φ = 279209108592.

The previous prime is 651533066713. The next prime is 651533066747. The reversal of 651533066716 is 617660335156.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 651533066716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651533066713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391146 + ... + 1206673.

Almost surely, 2^651533066716 is an apocalyptic number.

It is an amenable number.

651533066716 is an abundant number, since it is smaller than the sum of its proper divisors (651623360164).

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

651533066716 is a wasteful number, since it uses less digits than its factorization.

651533066716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612393 (or 1612391 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 651533066716 in words is "six hundred fifty-one billion, five hundred thirty-three million, sixty-six thousand, seven hundred sixteen".