212160656 has 20 divisors (see below), whose sum is σ = 411295104. Its totient is φ = 106020000.

The previous prime is 212160649. The next prime is 212160661. The reversal of 212160656 is 656061212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42281 + ... + 47031.

Almost surely, 2^212160656 is an apocalyptic number.

It is an amenable number.

212160656 is a deficient number, since it is larger than the sum of its proper divisors (199134448).

212160656 is a wasteful number, since it uses less digits than its factorization.

212160656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7550 (or 7544 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 212160656 is about 14565.7356834456. The cubic root of 212160656 is about 596.4237786023.

The spelling of 212160656 in words is "two hundred twelve million, one hundred sixty thousand, six hundred fifty-six".