650647746056 has 64 divisors (see below), whose sum is σ = 1523726225280. Its totient is φ = 253043873280.

The previous prime is 650647745987. The next prime is 650647746071.

650647746056 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 650647745992 and 650647746010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605045 + ... + 1291268.

It is an arithmetic number, because the mean of its divisors is an integer number (23808222270).

Almost surely, 2^650647746056 is an apocalyptic number.

It is an amenable number.

650647746056 is an abundant number, since it is smaller than the sum of its proper divisors (873078479224).

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

650647746056 is a wasteful number, since it uses less digits than its factorization.

650647746056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896894 (or 1896890 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 650647746056 in words is "six hundred fifty billion, six hundred forty-seven million, seven hundred forty-six thousand, fifty-six".