212560664 has 24 divisors (see below), whose sum is σ = 416641260. Its totient is φ = 101657424.

The previous prime is 212560643. The next prime is 212560679. The reversal of 212560664 is 466065212.

212560664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 212560664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20882 + ... + 29345.

Almost surely, 2^212560664 is an apocalyptic number.

It is an amenable number.

212560664 is a deficient number, since it is larger than the sum of its proper divisors (204080596).

212560664 is a wasteful number, since it uses less digits than its factorization.

212560664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50279 (or 50252 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 212560664 is about 14579.4603466658. The cubic root of 212560664 is about 596.7983760231.

The spelling of 212560664 in words is "two hundred twelve million, five hundred sixty thousand, six hundred sixty-four".