216070656 has 160 divisors (see below), whose sum is σ = 610460928. Its totient is φ = 67829760.

The previous prime is 216070649. The next prime is 216070661. The reversal of 216070656 is 656070612.

216070656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959836 + ... + 2959908.

Almost surely, 2^216070656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216070656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305230464).

216070656 is an abundant number, since it is smaller than the sum of its proper divisors (394390272).

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

216070656 is an equidigital number, since it uses as much as digits as its factorization.

216070656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 216070656 is about 14699.3420260908. The cubic root of 216070656 is about 600.0654150901.

The spelling of 216070656 in words is "two hundred sixteen million, seventy thousand, six hundred fifty-six".