652646216 has 8 divisors (see below), whose sum is σ = 1223711670. Its totient is φ = 326323104.

The previous prime is 652646209. The next prime is 652646231. The reversal of 652646216 is 612646256.

652646216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 555544900 + 97101316 = 23570^2 + 9854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 652646216.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40790381 + ... + 40790396.

Almost surely, 2^652646216 is an apocalyptic number.

It is an amenable number.

652646216 is a deficient number, since it is larger than the sum of its proper divisors (571065454).

652646216 is a wasteful number, since it uses less digits than its factorization.

652646216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81580783 (or 81580779 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 652646216 is about 25546.9414216262. The cubic root of 652646216 is about 867.4130295092.

The spelling of 652646216 in words is "six hundred fifty-two million, six hundred forty-six thousand, two hundred sixteen".