216560632 has 64 divisors (see below), whose sum is σ = 448884000. Its totient is φ = 97542144.

The previous prime is 216560629. The next prime is 216560633. The reversal of 216560632 is 236065612.

It is a junction number, because it is equal to n+sod(n) for n = 216560594 and 216560603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216560633) 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, 321448 + ... + 322120.

Almost surely, 2^216560632 is an apocalyptic number.

It is an amenable number.

216560632 is an abundant number, since it is smaller than the sum of its proper divisors (232323368).

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

216560632 is a wasteful number, since it uses less digits than its factorization.

216560632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 216560632 is about 14715.9991845610. Note that the first 3 decimals coincide. The cubic root of 216560632 is about 600.5186552358.

The spelling of 216560632 in words is "two hundred sixteen million, five hundred sixty thousand, six hundred thirty-two".